API Nitra-Zorb 7.4oz Merrick These biscuits are available in

These biscuits are available in medium and large-sized bones

A rough surface

highly digestible proteins like salmon meal and herring meal

The easy to clean food-grad resin prevents the development of harmful bacteria

it's easy to use and fast dissolving

API Nitra-Zorb 7.4oz Merrick These biscuits are available inHelp reduce nitrate in your aquarium and create conditions for fish to thrive with API Nitra Zorb Filtration Media. Fish waste, uneaten food, plant refuse and other organic matter increase nitrate, nitrite and ammonia levels which is harmful to fish. These conditions cause gill damage, stress, illness and even lead to fish loss. API's Nitra Zorb Filtration Media reduces this risk of fish loss with high quality filtration media that targets and removes