Biofine Clear Dropper Bottle1 Ounce Bottle(purifiedcolloidal solution of silicic acid (SiO2) in water)Biofine is a vegan-friendly clarifying agent that is added duringsecondary fermentation and precipitates sedimentation of yeast and otherclouding bits. A great alternative toisinglass for those who are vegetarian or simply don’t like the idea of addingfish bladder to their beer or wine. Works in 1-2 days. Use as littleas ¼ TBSP (3 ml) to 2 TBSP (31 ml) per 5 gallon batch. Start on the lower side and add until youreach your desired level of clarity. 2 year shelf life. We recommend storingthis in the fridge California Proposition 65 ⚠ Proposition 65 Warning: This product can expose you to chemicals that are known to the State of California to cause cancer and birth defects or other reproductive harm.