Colombo Nitrate Test Kit enzymes and probiotic bacteria that

enzymes and probiotic bacteria that will significantly strengthen the immune system of your fish to support your fish during or after injuries and periods of stress and diseases

Suitable for Tropical & Coldwater

PURE+ Filter Start Gel is a live

combining pump

Colombo Nitrate Test Kit enzymes and probiotic bacteria thatThe Colombo Nitrate Test Kit contains all you need for testing nitrate levels in ponds and both freshwater and saltwater aquariums. The Colombo NO3 Test Kit comes complete with test tube, powder and liquid reagents to provide accurate results for 40 tests. Nitrate (NO3) is the end product of the degradation of ammonia by nitrifying bacteria in your aquarium or pond. Nitrate is not toxic for fish and thus is no direct problem for the health of fish