API Nitrate Test Kit Fresh/saltwater CANISTER FILTER All of these elements need

All of these elements need to be available in balanced proportions for positive coral health and growth

Recommended Iron concentration = 0

or aeration device

A perfect balance of premium-select ingredients developed to promote proper growth and desirable form in most herbivorous species

API Nitrate Test Kit Fresh/saltwater CANISTER FILTER All of these elements needHigh nitrate levels in your aquarium indicate a build up of fish waste and organic compounds, resulting in poor water quality and an increase in algae growth. Contrarily, maintaining a low nitrate level improves the health of fish and invertebrates. Use the API Nitrate Test Kit to ensure that the nitrate levels in your tank are safe and healthy for your fish. The Nitrate Test Kit reads parameters from 0 to 160 ppm, and contains 2 bottles of liquid