Ohuhu Acrylic Marker Ink Refill for Mauna Kea & Hanauma Series is specially designed to restore your acrylic markers to peak performance. Made with high-opacity, water-based acrylic ink, it delivers smooth, consistent flow and vibrant color coverage on a wide range of surfaces, including paper, canvas, wood, rock, glass, and more. Each refill helps extend the life of your Mauna Kea & Hanauma markers, ensuring color consistency across projects while reducing waste. Perfect for artists, hobbyists, and DIY creators who want reliable, long-lasting results and an eco-friendlier way to keep creating.