Click to expand Tap to zoom Bentonite Save Liquid error (product-badge line 32): -Infinity% $1.99 | / 8 oz - $1.99 1 lb - $3.99 8 oz 1 lb Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart A fining agent. A grey clay formed from volcanic ash. When added, it bonds to floating particulate in the wine or mead, then falls to the bottom.