Reliance Bio-Green Waste Digester uses natural enzymes to break down human waste, grease and toilet paper quickly and effectively while leaving a pleasant pine scent. Use Bio-Green with any septic system, porta-potty, RV, portable camping toilet or emergency bucket toilet. This dry powder blend of natural enzymes comes in pre-measured self-dissolving pouches. Just toss one in the water and it does the rest. Comes 12 pouches in a box.