LCA Purify Plus is a complete, highly concentrated water conditioner and planted tank supplement for fresh water aquariums. It removes chlorine, chloramines, ammonia, nitrites, aluminium, copper, zinc, iron, lime and flouride from your water source. LCA Purify Plus also makes Calcium carbonate bio-available, which encourages plant growth, strong shells in shrimp and Nerite snails and boosts beneficial bacteria colonies. Formaldehyde free for reduced odour and livestock safety.