Seachem Prime® – Complete Water Conditioner for Freshwater & Marine Aquariums

Seachem Prime is a highly concentrated all-in-one water conditioner designed to make tap water safe for fish. It removes chlorine and chloramine while detoxifying ammonia, nitrite, and nitrate. Additionally, it binds heavy metals found in tap water. It is suitable for both freshwater and marine environments and is up to 5x more concentrated than many competing products. It is recommended for use during aquarium startup, water changes, topping up water, cycling support, and emergency water quality situations.