{"title":"Grain Filler for Guitar","description":"\u003c!-- =========================\n  WATER-BASED FINISHING – CATEGORY LANDING\n  Goal: explain the workflow + send users to the right compatible steps\n========================= --\u003e\n\n\u003c!-- TODO: extend theme CSS to cover ['wrap'] so this inline \u003cstyle\u003e can be removed --\u003e\n\u003cstyle\u003e\n  .gkf-wrap{max-width:1200px;margin:0 auto;padding:12px 10px;font-family:inherit}\n  .gkf-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:center;margin-bottom:18px}\n  .gkf-hero h1{margin:0 0 8px;font-size:28px;line-height:1.15}\n  .gkf-hero p{margin:0 0 10px;color:#444;line-height:1.55}\n  .gkf-badges{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 0}\n  .gkf-badge{border:1px solid #eee;border-radius:999px;padding:6px 10px;font-size:13px;color:#333;background:#fafafa}\n  .gkf-hero-img{border-radius:14px;overflow:hidden;min-height:220px;background:#f2f2f2;position:relative}\n  .gkf-hero-img 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@media (max-width: 520px){\n    .gkf-step-grid{grid-template-columns:1fr}\n    .gkf-cards{grid-template-columns:1fr}\n    .gkf-hero h1{font-size:24px}\n  }\n\n.gkf-hero h1 .gkf-subtitle{\n  display:block;\n  margin-top:6px;\n  font-size:13px;\n  font-weight:700;\n  color:#666;\n}\n\n\/* READ MORE \/ LESS – premium pill *\/\ndetails.tgf-readmore{\n  \/* centers the summary pill *\/\n  display: flex;\n  flex-direction: column;\n  align-items: center;\n  margin: 10px 0 0;\n}\n\n\/* The clickable pill *\/\ndetails.tgf-readmore \u003e summary.tgf-readmore__summary{\n  cursor: pointer;\n  display: inline-flex !important;\n  align-items: center;\n  justify-content: center;\n  gap: 8px;\n\n  font-weight: 700;\n  font-size: 14px;\n  line-height: 1.2;\n\n  \/* Orange brand color *\/\n  color: #eba313 !important;\n\n  padding: 12px 20px !important;\n  border: 2px solid #eba313 !important;\n  border-radius: 999px !important;\n\n  \/* Clean white background *\/\n  background: white !important;\n\n  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translateY(-1px);\n}\n\ndetails.tgf-readmore \u003e summary.tgf-readmore__summary:focus-visible{\n  outline: 2px solid rgba(235, 163, 19, .4);\n  outline-offset: 3px;\n}\n\n\/* Switch label when opened *\/\ndetails.tgf-readmore .tgf-readmore__label-open{ display:none; }\ndetails.tgf-readmore[open] .tgf-readmore__label-open{ display:inline; }\ndetails.tgf-readmore[open] .tgf-readmore__label-closed{ display:none; }\n\n\/* Chevron *\/\ndetails.tgf-readmore \u003e summary.tgf-readmore__summary::after{\n  content: \"\\25BE\"; \/* ▾ *\/\n  font-weight: 700;\n  line-height: 1;\n  transform: translateY(-1px);\n  opacity: .9;\n  transition: transform 0.3s ease;\n}\n\ndetails.tgf-readmore[open] \u003e summary.tgf-readmore__summary::after{\n  content: \"\\25BE\"; \/* ▾ *\/\n  transform: translateY(-1px) rotate(180deg);\n}\n\n\/* Spacing above expanded content *\/\ndetails.tgf-readmore .tgf-readmore__content{\n  margin-top: 12px;\n  width: 100%; \/* keep content aligned with your existing layout *\/\n}\n\u003c\/style\u003e\n\n\n\u003c!-- =========================\n  GRAIN FILLERS – CATEGORY LANDING\n  Goal: explain what guitar grain filler \/ pore filler does + help users choose the right one\n========================= --\u003e\n\n\u003c!-- TODO: extend theme CSS to cover ['wrap'] so this inline \u003cstyle\u003e can be removed --\u003e\n\u003cstyle\u003e\n  \/* Re-use your existing CSS (same classes) *\/\n\u003c\/style\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is guitar grain filler (guitar pore filler) used for?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Guitar grain filler (guitar pore filler) is used to fill open pores in tonewoods like mahogany and ash. It helps create a flatter surface, improves clarity for transparent finishes, and reduces sink-back under clear coats.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do I always need grain filler for guitar building?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Wood grain filler for guitars is strongly recommended for open-pore tonewoods (mahogany, ash, walnut). For closed-grain woods like maple or basswood, you can often skip pore filling and go straight to sealer.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I use mahogany grain filler on guitar pores?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Sand to a clean surface, apply the grain filler across the grain, scrape off excess, let dry, then sand back until the filler remains only in the pores. Repeat if needed, then apply sealer before your clear coat.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are water-based guitar grain fillers compatible with dyes and clear coats?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Water-based guitar grain fillers are compatible with water-based finishing systems and can also be used under many other finishes when fully dry and sealed. Always allow full drying and seal before colour\/topcoat.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between guitar grain filler and sealer?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Guitar grain filler levels open pores. Sealer stabilises the surface and improves uniform absorption and sanding. Some products (like Birchwood Casey Sealer \u0026 Filler) combine pore filling and sealing in one step.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"gkf-wrap\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv class=\"gkf-hero\"\u003e\n    \u003cdiv\u003e\n      \u003ch1\u003e\n        Grain Filler for Guitar (Guitar Pore Filler)\n        \u003cspan class=\"gkf-subtitle\"\u003eWater-based guitar grain fillers • Luthier-grade • Fast UK delivery\u003c\/span\u003e\n      \u003c\/h1\u003e\n\n      \u003cp\u003e\n        Create a smooth surface before clear coat with our \u003cb\u003egrain filler for guitar\u003c\/b\u003e and \u003cb\u003eguitar pore filler\u003c\/b\u003e range, dispatched from our UK warehouse.\n        This \u003cb\u003ewood grain filler for guitars\u003c\/b\u003e is ideal for \u003cb\u003emahogany\u003c\/b\u003e and \u003cb\u003eash\u003c\/b\u003e: fill open pores, reduce sink-back, and improve clarity on transparent finishes.\n        These products are chosen to stay \u003cb\u003ecompatible\u003c\/b\u003e with common \u003ca href=\"\/collections\/guitar-finishing\" title=\"guitar finishing supplies UK\"\u003eguitar finishing\u003c\/a\u003e workflows for \u003cb\u003ebeautiful, reliable results\u003c\/b\u003e.\n      \u003c\/p\u003e\n\n      \u003cdiv class=\"gkf-badges\"\u003e\n        \u003cspan class=\"gkf-badge\"\u003eWater-based guitar grain filler\u003c\/span\u003e\n        \u003cspan class=\"gkf-badge\"\u003eClear \/ stainable options\u003c\/span\u003e\n        \u003cspan class=\"gkf-badge\"\u003eBest for mahogany \u0026amp; ash\u003c\/span\u003e\n        \u003cspan class=\"gkf-badge\"\u003eFast UK delivery\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"gkf-hero-img\"\u003e\n      \u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1034\/4926\/4473\/files\/grain-filler-guitar-finishing-the-guitar-fabrik.jpg?v=1779630723\" alt=\"Water-based grain filler for guitar and guitar pore filler in the UK\"\u003e\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\n  \u003cdetails class=\"tgf-readmore\"\u003e\n    \u003csummary class=\"tgf-readmore__summary\"\u003e\n      \u003cspan class=\"tgf-readmore__label-closed\"\u003eRead More\u003c\/span\u003e\n      \u003cspan class=\"tgf-readmore__label-open\"\u003eReduce\u003c\/span\u003e\n    \u003c\/summary\u003e\n\n    \u003cdiv class=\"tgf-readmore__content\"\u003e\n\n      \u003c!-- IMPORTANT (compatibility + availability + safety) --\u003e\n      \u003cdiv class=\"gkf-note\"\u003e\n        \u003cb\u003eImportant (compatible system + availability):\u003c\/b\u003e\n        \u003cp\u003e\n          The fillers in this category are selected for guitar building and work as part of a \u003cb\u003ecompatible finishing solution\u003c\/b\u003e:\n          fill the pores → sealer → clear coat.\n          Most items here are \u003cb\u003ewater-based guitar grain fillers\u003c\/b\u003e, plus one \u003cb\u003eBirchwood Casey Sealer \u0026amp; Filler\u003c\/b\u003e option.\n          \u003cbr\u003e\u003cbr\u003e\n          \u003cb\u003eIn stock in the UK:\u003c\/b\u003e these guitar grain filler \/ guitar pore filler products are dispatched from our UK warehouse with fast UK delivery. Free UK delivery on orders over £210 (VAT included).\n          \u003cbr\u003e\n          \u003cspan class=\"hint\"\u003e\u003cb\u003eHealthy application:\u003c\/b\u003e work in a ventilated area, avoid inhaling sanding dust, and wear gloves whilst spreading\/scraping filler. Keep your workspace dust-controlled for cleaner results.\u003c\/span\u003e\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003c!-- PROS \/ CONS (succinct) --\u003e\n      \u003cdiv class=\"gkf-note\"\u003e\n        \u003cb\u003eWhy use a wood grain filler for guitars?\u003c\/b\u003e\n        \u003cp\u003e\n          \u003cb\u003ePros:\u003c\/b\u003e smoother surface, better clarity under clear coats, less “sink-back” over time, and a more professional feel—especially on open-pore tonewoods.\n          \u003cbr\u003e\n          \u003cb\u003eCons:\u003c\/b\u003e adds an extra prep stage and requires patience (apply, dry, sand back, sometimes repeat). Rushing this step usually shows later.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003c!-- WHERE IT'S USED (not a full workflow) --\u003e\n      \u003csection class=\"gkf-steps\" aria-label=\"Where guitar grain filler is used\"\u003e\n        \u003ch2\u003eWhere guitar grain filler fits in your finish\u003c\/h2\u003e\n\n        \u003cdiv class=\"gkf-step-grid\"\u003e\n          \u003cdiv class=\"gkf-step\"\u003e\n            \u003cdiv class=\"num\"\u003e1\u003c\/div\u003e\n            \u003ch3\u003eBefore Sealer\u003c\/h3\u003e\n            \u003cp\u003e\n              Guitar grain filler is applied \u003cb\u003ebefore\u003c\/b\u003e clear sealer\/base coat.\n              It fills pores so your sealer and lacquer build smoother.\n              \u003cspan class=\"hint\"\u003eTypical: fill → dry → sand back → then seal.\u003c\/span\u003e\n            \u003c\/p\u003e\n          \u003c\/div\u003e\n\n          \u003cdiv class=\"gkf-step\"\u003e\n            \u003cdiv class=\"num\"\u003e2\u003c\/div\u003e\n            \u003ch3\u003eOpen-Pore Woods\u003c\/h3\u003e\n            \u003cp\u003e\n              Strongly recommended for \u003cb\u003emahogany\u003c\/b\u003e and \u003cb\u003eash\u003c\/b\u003e (also walnut).\n              \u003cspan class=\"hint\"\u003eClosed-grain woods (maple\/basswood) often skip filling.\u003c\/span\u003e\n            \u003c\/p\u003e\n          \u003c\/div\u003e\n\n          \u003cdiv class=\"gkf-step\"\u003e\n            \u003cdiv class=\"num\"\u003e3\u003c\/div\u003e\n            \u003ch3\u003eClear \/ Transparent Finishes\u003c\/h3\u003e\n            \u003cp\u003e\n              A good fill improves \u003cb\u003eclarity\u003c\/b\u003e and prevents pores from “printing through” later.\n              \u003cspan class=\"hint\"\u003eIdeal for translucent dyes + clear coats.\u003c\/span\u003e\n            \u003c\/p\u003e\n          \u003c\/div\u003e\n\n          \u003cdiv class=\"gkf-step\"\u003e\n            \u003cdiv class=\"num\"\u003e4\u003c\/div\u003e\n            \u003ch3\u003eFast Alternative (2-in-1)\u003c\/h3\u003e\n            \u003cp\u003e\n              \u003cb\u003eBirchwood Casey Sealer \u0026amp; Filler\u003c\/b\u003e combines pore filling + sealing.\n              \u003cspan class=\"hint\"\u003eGreat for oil-finish style workflows and quick prep.\u003c\/span\u003e\n            \u003c\/p\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/section\u003e\n\n      \u003c!-- CATEGORY \/ PRODUCT LINKS --\u003e\n      \u003csection class=\"gkf-addons\" aria-label=\"Shop guitar grain filler\"\u003e\n        \u003ch2\u003eShop guitar grain filler \u0026amp; guitar pore filler in the UK\u003c\/h2\u003e\n        \u003cp\u003e\n          Choose a \u003cb\u003ewater-based guitar grain filler\u003c\/b\u003e for clean, low-odour application, or use the \u003cb\u003eSealer \u0026amp; Filler\u003c\/b\u003e option\n          if you want a combined pore-filling + sealing approach.\n        \u003c\/p\u003e\n\n        \u003cdiv class=\"gkf-addon-list\"\u003e\n          \u003cdiv class=\"gkf-addon\"\u003e\n            \u003ch3\u003eWater-Based Guitar Grain Fillers\u003c\/h3\u003e\n            \u003cp\u003eClean application and easy sanding. The best grain filler for guitar builds in mahogany, ash and more.\u003c\/p\u003e\n            \u003ca href=\"\/collections\/grain-filler\" title=\"water-based grain filler for guitar and guitar pore filler UK\"\u003eShop water-based guitar grain filler →\u003c\/a\u003e\n          \u003c\/div\u003e\n\n          \u003cdiv class=\"gkf-addon\"\u003e\n            \u003ch3\u003eBirchwood Casey Sealer \u0026amp; Filler\u003c\/h3\u003e\n            \u003cp\u003e2-in-1 pore filling + sealing. Useful for Tru-Oil style prep and quick builds.\u003c\/p\u003e\n            \u003ca href=\"\/products\/clear-filler-tru-oil-basecoat-90ml\" title=\"Birchwood Casey Sealer and Filler guitar pore filler UK\"\u003eShop Sealer \u0026amp; Filler →\u003c\/a\u003e\n          \u003c\/div\u003e\n\n          \u003cdiv class=\"gkf-addon\"\u003e\n            \u003ch3\u003eNext Step: Seal \/ Base Coat\u003c\/h3\u003e\n            \u003cp\u003eAfter filling: seal to stabilise the surface before clear coat or colour.\u003c\/p\u003e\n\u003ca href=\"\/products\/water-based-clear-sealer-guitar-finishing-500ml\" title=\"guitar sanding sealer base coat after grain filling UK\"\u003eShop water-based Sealer →\u003c\/a\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/section\u003e\n\n\n\n\n\n      \u003c!-- CTA --\u003e\n      \u003cdiv class=\"gkf-cta\" aria-label=\"CTA to full finishing system\"\u003e\n        \u003cdiv\u003e\n          \u003ch2\u003eNeed the full finishing solution?\u003c\/h2\u003e\n          \u003cp\u003e\n            Guitar grain filler is step one for open-pore woods. Pair it with a compatible \u003cb\u003esealer\u003c\/b\u003e and \u003cb\u003eclear coat\u003c\/b\u003e\n            to complete your guitar finish with consistent results.\n          \u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"btns\"\u003e\n          \u003cdiv class=\"gkf-btn ghost\"\u003e \u003ca href=\"\/collections\/water-based-guitar-paint-set\" title=\"water-based guitar finishing system grain filler sealer lacquer UK\"\u003eShop water-based finishing system →\u003c\/a\u003e\n\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003c!-- FAQ --\u003e\n      \u003csection class=\"gkf-faq\" aria-label=\"Guitar grain filler FAQ\"\u003e\n        \u003ch2\u003eQuick FAQ\u003c\/h2\u003e\n\n        \u003cdetails class=\"gkf-q\"\u003e\n          \u003csummary\u003eDo I always need guitar grain filler?\u003c\/summary\u003e\n          \u003cp\u003eUse a wood grain filler for guitars on \u003cb\u003eopen-pore woods\u003c\/b\u003e like \u003cb\u003emahogany\u003c\/b\u003e and \u003cb\u003eash\u003c\/b\u003e. For closed-grain woods (maple\/basswood), you can often skip it and go straight to sealer.\u003c\/p\u003e\n        \u003c\/details\u003e\n\n        \u003cdetails class=\"gkf-q\"\u003e\n          \u003csummary\u003eHow to use mahogany grain filler on guitar pores properly?\u003c\/summary\u003e\n          \u003cp\u003eApply the filler \u003cb\u003eacross the grain\u003c\/b\u003e, scrape off excess, let it dry, then sand back until filler remains only in the pores. Repeat if needed, then apply sealer before clear coat.\u003c\/p\u003e\n        \u003c\/details\u003e\n\n        \u003cdetails class=\"gkf-q\"\u003e\n          \u003csummary\u003eIs there a clear grain filler option?\u003c\/summary\u003e\n          \u003cp\u003eYes—clear\/stainable fillers are designed to keep the wood look natural whilst still closing pores. Choose a tinted filler when you want the pores to show darker (e.g., for a vintage look).\u003c\/p\u003e\n        \u003c\/details\u003e\n\n        \u003cdetails class=\"gkf-q\"\u003e\n          \u003csummary\u003eGuitar grain filler vs Sealer \u0026amp; Filler: what should I choose?\u003c\/summary\u003e\n          \u003cp\u003e\u003cb\u003eGuitar grain filler\u003c\/b\u003e focuses on closing pores, then you seal afterwards. \u003cb\u003eSealer \u0026amp; Filler\u003c\/b\u003e combines pore filling and sealing in one, which can be faster for certain workflows.\u003c\/p\u003e\n        \u003c\/details\u003e\n\n      \u003c\/section\u003e\n\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","products":[{"product_id":"mahogany-guitar-pore-filler-200g","title":"Mahogany Grain Filler 200g","description":"\u003cdiv class=\"tgf-product-content\"\u003e\n\u003cp\u003eWater-based, mahogany-tinted \u003cstrong\u003emahogany grain filler\u003c\/strong\u003e in a handy 200g jar — the right size for finishing one or two builds. This \u003cstrong\u003emahogany pore filler\u003c\/strong\u003e packs open grain for an ultra-smooth surface before sealer and clear coat, making it one of the \u003cstrong\u003ebest wood filler for mahogany\u003c\/strong\u003e choices for tidy \u003ca href=\"\/collections\/guitar-finishing\"\u003eguitar finishing\u003c\/a\u003e in the UK. Browse more \u003ca href=\"\/collections\/grain-filler\"\u003egrain filler for guitar\u003c\/a\u003e options to match your tonewood, all dispatched from our UK warehouse.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003ePreparation And Application\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRecommended tools: sandpaper (~P400) for levelling, a flexible scraper (e.g. old credit card), and a clean cloth or paper towel.\u003c\/li\u003e\n\u003cli\u003eApply a thin coat and work across the grain to pack pores.\u003c\/li\u003e\n\u003cli\u003eAllow to dry, then level-sand so the \u003cstrong\u003emahogany wood filler\u003c\/strong\u003e remains only in the pores; repeat if the wood is very porous.\u003c\/li\u003e\n\u003cli\u003eOptional: can be tinted with compatible dyes; avoid over-mixing many colours as this can darken the tone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tgf-h3\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"tgf-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eWater-based mahogany-tinted grain\/pore filler for guitar finishing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e200 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurpose\u003c\/td\u003e\n\u003ctd\u003eFills open grain to achieve an ultra-smooth surface before sealer and clear coat; helps reduce finish build-up and sink-back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDry-to-sand time\u003c\/td\u003e\n\u003ctd\u003e2–3 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage\u003c\/td\u003e\n\u003ctd\u003eOne jar is suitable to grain fill at least 2 guitars (varies with wood porosity and application thickness)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible woods\u003c\/td\u003e\n\u003ctd\u003eAsh, Mahogany, Rosewood, Jatoba, Paulownia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish system compatibility\u003c\/td\u003e\n\u003ctd\u003eCompatible with nitrocellulose, polyurethane, and water-based guitar finishing products\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"The Guitar Fabrik","offers":[{"title":"Default Title","offer_id":57898474733913,"sku":"F_TGF_WGF_M","price":7.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/4926\/4473\/files\/mahogany-grain-filler-guitar-body-pore-filling-example.jpg?v=1777799998"},{"product_id":"grain-filler-waterbased-black","title":"Grain Filler Waterbased, Black","description":"\u003cdiv class=\"tgf-product-content\"\u003e\n\u003cp\u003eWaterbased black grain filler for filling wood pores on open-pore woods to achieve a clean, smooth high gloss finish and reduce sealer, lacquer and paint usage.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eUsage\u003c\/h3\u003e\n\u003cp\u003eGrain filler is used to fill the pores of the wood. It is advised for open-pore woods to achieve a clean, smooth high gloss finish and to reduce the quantity of sealer, lacquer and paint required.\u003c\/p\u003e\n\u003cp\u003eThe open-pore woods include \u003cb\u003eAsh\u003c\/b\u003e, \u003cb\u003eMahogany\u003c\/b\u003e, \u003cb\u003eRosewood\u003c\/b\u003e, \u003cb\u003eJatoba\u003c\/b\u003e and \u003cb\u003ePaulownia\u003c\/b\u003e.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eWaterbased grain filler compatible with nitrocellulose, polyurethane and waterbased guitar finishing products.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003ePreparation and Application\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse sandpaper with a grain of 400.\u003c\/li\u003e\n\u003cli\u003eUse a scraper such as an old credit card.\u003c\/li\u003e\n\u003cli\u003eFor stained finishes, the grain filler can be mixed with dyes to achieve the desired tone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tgf-h3\"\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eFurther instruction will be provided along with your order.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"The Guitar Fabrik","offers":[{"title":"Default Title","offer_id":57976530698585,"sku":"920730112","price":10.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/4926\/4473\/files\/920730112_base.jpg?v=1777798737"},{"product_id":"grain-filler-waterbased-mahogany","title":"Mahogany Grain Filler, Waterbased","description":"\u003cdiv class=\"tgf-product-content\"\u003e\n\u003ch3 class=\"tgf-h3\"\u003eApplication\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eUse:\u003c\/strong\u003e This mahogany grain filler packs the pores of open-pore tonewoods (e.g., Ash, Mahogany, Rosewood, Jatoba, Paulownia) to achieve a smooth, high-gloss-ready surface and reduce the amount of sealer, lacquer, or paint needed. An ideal mahogany pore filler for a clean base before \u003ca href=\"\/collections\/guitar-finishing\"\u003eguitar finishing\u003c\/a\u003e, with fast UK delivery from our UK warehouse.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication notes:\u003c\/strong\u003e Sand with 400-grit paper; use a scraper (e.g., old credit card) to work the mahogany wood filler into the pores. Can be tinted by mixing with dyes to adjust the final tone. Explore the full range of \u003ca href=\"\/collections\/grain-filler\"\u003egrain filler for guitar\u003c\/a\u003e options to match your timber, all in stock in the UK.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eCompatible with nitrocellulose, polyurethane, and waterbased guitar finishing products.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"tgf-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eWaterbased grain filler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\/Tint\u003c\/td\u003e\n\u003ctd\u003eMahogany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e250 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"The Guitar Fabrik","offers":[{"title":"Default Title","offer_id":57976530764121,"sku":"920731112","price":10.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/4926\/4473\/files\/920731112_base.jpg?v=1777798746"},{"product_id":"grain-filler-waterbased-natural","title":"Natural Wood Pore Filler","description":"\u003cdiv class=\"tgf-product-content\"\u003e\n\u003cp\u003eNatural tint water based grain filler for open‑pore woods, formulated to level the surface and deliver a smooth, high‑gloss result whilst reducing the amount of sealer, lacquer and paint required. A stainable grain filler that keeps the natural look of the timber. In stock and dispatched from our UK warehouse.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eUsage in Guitar Finishing\u003c\/h3\u003e\n\u003cp\u003eThis wood pore filler fills the open pores of the timber to achieve a clean, smooth, high‑gloss surface and to cut down on subsequent coats. It is an ideal first step in the \u003ca href=\"\/collections\/guitar-finishing\"\u003eguitar finishing\u003c\/a\u003e process, and you can browse the full range of \u003ca href=\"\/collections\/grain-filler\"\u003egrain filler for guitar\u003c\/a\u003e for other tints.\u003c\/p\u003e\n\u003cp\u003eRecommended for open‑pore woods: \u003cstrong\u003eAsh\u003c\/strong\u003e, \u003cstrong\u003eMahogany\u003c\/strong\u003e, \u003cstrong\u003eRosewood\u003c\/strong\u003e, \u003cstrong\u003eJatoba\u003c\/strong\u003e and \u003cstrong\u003ePaulownia\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThis water based grain filler is compatible with nitrocellulose, polyurethane and water‑based finishing products.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003ePreparation and Application\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSandpaper: use grit 400.\u003c\/li\u003e\n\u003cli\u003eTools: a scraper such as an old credit card.\u003c\/li\u003e\n\u003cli\u003eColouring option: as a stainable grain filler it can be mixed with our dyes to achieve a desired tone.\u003c\/li\u003e\n\u003cli\u003eFurther instruction will be provided along with your order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"The Guitar Fabrik","offers":[{"title":"Default Title","offer_id":57976530796889,"sku":"920732112","price":10.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/4926\/4473\/files\/920732112_base.jpg?v=1777798753"},{"product_id":"grain-filler-waterbased-rosewood","title":"Rosewood Grain Filler, Waterbased","description":"\u003cdiv class=\"tgf-product-content\"\u003e\n\u003ch3 class=\"tgf-h3\"\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eApplication notes:\u003c\/strong\u003e Use sandpaper around 400 grit and a scraper (e.g., an old credit card). This rosewood grain filler can be mixed with dyes to adjust the colour tone. Part of our \u003ca href=\"\/collections\/guitar-finishing\"\u003eguitar finishing\u003c\/a\u003e range, and one of several tints in our \u003ca href=\"\/collections\/grain-filler\"\u003egrain filler for guitar\u003c\/a\u003e selection, in stock in the UK.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"tgf-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eTint\u003c\/td\u003e\n\u003ctd\u003eRosewood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e250 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eWaterbased rosewood grain filler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurpose\u003c\/td\u003e\n\u003ctd\u003eFills wood pores for a clean, smooth high-gloss rosewood finish and reduces the amount of sealer, lacquer, and paint needed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable woods\u003c\/td\u003e\n\u003ctd\u003eAsh, Mahogany, Rosewood, Jatoba, Paulownia.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eCompatible with nitrocellulose, polyurethane, and waterbased guitar finishing products.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"The Guitar Fabrik","offers":[{"title":"Default Title","offer_id":57976530829657,"sku":"920733112","price":10.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/4926\/4473\/files\/920733112_base.jpg?v=1777798760"},{"product_id":"natural-ash-guitar-pore-filler-200g","title":"Natural Wood Pore Filler 200g","description":"\u003cdiv class=\"tgf-product-content\"\u003e\n\u003cp\u003eNatural, \u003cstrong\u003ewater based grain filler\u003c\/strong\u003e for open-pore woods like ash, in stock in the UK. This stainable, tintable \u003cstrong\u003ewood pore filler\u003c\/strong\u003e preserves a clean ash appearance whilst filling pores for a smooth surface prior to sealer and clear coat. Part of our \u003ca href=\"\/collections\/guitar-finishing\"\u003eguitar finishing\u003c\/a\u003e range, dispatched from our UK warehouse.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eTone and Appearance\u003c\/h3\u003e\n\u003cp\u003eThis \u003cstrong\u003enatural grain filler\u003c\/strong\u003e has a light yellowish tone suited to ash; use it clear or tint it with compatible dyes and pigments for a custom look.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eDrying and Coverage\u003c\/h3\u003e\n\u003cp\u003eDry-to-sand: 2–3 hours. One 200g jar typically fills at least 2 guitars, depending on wood porosity and application thickness.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eCompatible Woods\u003c\/h3\u003e\n\u003cp\u003eAsh, Mahogany, Rosewood, Jatoba, Paulownia, and other open-pore species.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eFinish Compatibility\u003c\/h3\u003e\n\u003cp\u003eSuitable under common guitar finishing systems: nitrocellulose, polyurethane, and water based topcoats\/sealers.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eRecommended Tools\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSandpaper around P400 for levelling\u003c\/li\u003e\n\u003cli\u003eFlexible scraper (e.g., old credit card) to pack pores\u003c\/li\u003e\n\u003cli\u003eClean cloth or paper towel to remove excess\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tgf-h3\"\u003eApplication\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApply a thin coat and work across the grain to pack pores.\u003c\/li\u003e\n\u003cli\u003eAllow to dry, then level-sand so filler remains only in the pores.\u003c\/li\u003e\n\u003cli\u003eRepeat a second application if the wood is very porous.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tgf-h3\"\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eTinting tip: Mix in compatible dyes\/pigments to achieve a custom tone; test on scrap first. Looking for a coloured option? Explore the full range of \u003ca href=\"\/collections\/grain-filler\"\u003egrain filler for guitar\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"The Guitar Fabrik","offers":[{"title":"Default Title","offer_id":57976569987417,"sku":"F_TGF_WGF_A","price":7.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/4926\/4473\/files\/natural-ash-grain-filler-guitar-body-pore-filling-example.jpg?v=1777799980"},{"product_id":"black-guitar-pore-filler-200g","title":"Black Wood Grain Filler 200g","description":"\u003cdiv class=\"tgf-product-content\"\u003e\n\u003cp\u003eThe Guitar Fabrik Black Wood Grain Filler (200g) is a water-based, dark grain filler for open-pore tonewoods, delivering deep contrast by holding intense black pigment primarily in the pores. This black grain filler guitar builders in the UK rely on goes on before sealer and clear coat. Dispatched from our UK warehouse with fast UK delivery. Explore the full \u003ca href=\"\/collections\/grain-filler\"\u003egrain filler for guitar\u003c\/a\u003e range and our wider \u003ca href=\"\/collections\/guitar-finishing\"\u003eguitar finishing\u003c\/a\u003e supplies.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eApplication\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTools: ~P400 sandpaper for levelling, a flexible scraper (e.g. an old credit card), and a clean cloth or paper towel.\u003c\/li\u003e\n\u003cli\u003eApply a thin coat and work across the grain to pack pores.\u003c\/li\u003e\n\u003cli\u003eAllow to dry, then level-sand until smooth so the black filler remains mainly in pores.\u003c\/li\u003e\n\u003cli\u003eRepeat a second application if the wood is very porous.\u003c\/li\u003e\n\u003cli\u003eIf also using wood dye, apply dye first (as required by your method), then use the dark grain filler to reinforce pore contrast.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tgf-h3\"\u003eBenefits\u003c\/h3\u003e\n\u003cp\u003eBenefits include a flatter surface for high-gloss or consistent satin finishes, reduced sealer\/clear usage, and minimised post-cure sink-back into pores. As a coloured grain filler, it draws out the natural pore pattern for striking visual depth.\u003c\/p\u003e\n\u003ch3 class=\"tgf-h3\"\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\u003cli\u003eOpen-pore woods such as Ash, Mahogany, Rosewood, Jatoba, and Paulownia.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3 class=\"tgf-h3\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"tgf-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eThe Guitar Fabrik Black Wood Grain Filler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e200g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003ctd\u003eWater-based\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Woods\u003c\/td\u003e\n\u003ctd\u003eOpen-pore woods (Ash, Mahogany, Rosewood, Jatoba, Paulownia)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDry-to-sand\u003c\/td\u003e\n\u003ctd\u003e2–3 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoverage\u003c\/td\u003e\n\u003ctd\u003eOne 200g jar typically grain-fills at least 2 guitars (varies by wood porosity and application thickness)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eWorks with nitrocellulose, polyurethane, and water-based finishing systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUse Stage\u003c\/td\u003e\n\u003ctd\u003eBefore sealer and clear coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"The Guitar Fabrik","offers":[{"title":"Default Title","offer_id":57976570315097,"sku":"F_TGF_WGF_B","price":8.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/4926\/4473\/files\/ash-guitar-body-with-black-grain-filler-200g.jpg?v=1777799990"}],"url":"https:\/\/guitarkitfabric.co.uk\/collections\/grain-filler.oembed","provider":"The Guitar Fabrik","version":"1.0","type":"link"}