Aqua Coat, Best Wood Grain Filler. Clear Gel, Water based, Low Odor, Fast Drying, Non Toxic, Environmentally Safe. Quart GREEN ALTERNATIVE to hazardous and flammable solvent finishes and products. Non flammable and non combustible. QUICK DRYING FORMULA and easy to level out and sand with minimal shrinkage, making it the best choice for open grained woods like oak and mahogany. Drying time is 30-45 minutes. CLEAR FORMULA so it can go over stain and sealers while permitting grain and color to show through. YOU CAN ACHIEVE a mirror-like, high build finish easily.