FritzGuard is a safe and effective pH-buffered water conditioner that neutralizes toxic chlorine; chloramines and heavy metals found in tap water. FritzGuard promotes healing and reduces fish stress with aloe vera and vitamin E and provides necessary electrolytes. Naturally secreted by mucous glands the slime coat is a natural defence system that protects fish from disease; aids in osmoregualtion and reduces stress caused by sudden changes in the environment. FritzGuard provides a replacement slime coat to aid fish that have lost theirs or have been injured due to stress or poor water conditions and handling. FritzGuard enhances biofiltration by producing a slime coat over the filter media which aids the attachment of beneficial bacteria like those in FritzZyme biological products.