BUFF PROOF INK 200: The Prime Mover of the BPI Line BUFF PROOF INK 200 is the legendary formula that started the entire GROG Buff Proof Ink lineup. Designed for writers who need maximum permanence and aggressive bleed-through, this alcohol-based dye ink delivers deep, glossy marks that won’t back down. Packed in a durable shockproof 200ml bottle, it’s the top choice for artists who demand reliability, flow, and unstoppable staining power. Highly Permanent Dye Ink for Serious WritersThis upgraded New Formula offers improved color opacity, stronger UV resistance, and enhanced adhesion on both porous and non-porous surfaces. Whether you’re hitting metal, concrete, paper, stickers, plastic, or coated surfaces, BUFF PROOF INK 200 delivers heavy saturation with a glossy finish that bites hard and stays visible. Perfect Flow for SQUEEZER & CUTTER MarkersOptimized for SQUEEZER markers thanks to its ideal viscosity, BUFF PROOF INK 200 also refills CUTTER and other pump markers effortlessly. It flows consistently, stains relentlessly, and handles big drips with ease. Compatible With All GROG BPI MarkersRefill any marker from the Buff Proof Ink lineup Why Writers Choose BUFF PROOF INK 200 Highly permanent dye-based ink with extreme stain power Glossy finish with deep, rich color saturation Improved UV resistance and stronger surface adhesion Optimized viscosity for SQUEEZER & CUTTER markers Perfect for indoor sessions and versatile surfaces 200ml refill bottle—maximum quantity for maximum bombing Fill up your favorite BPI markers and get back to leaving stains that truly last. BUFF PROOF INK 200 is the refill every serious writer relies on.
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