API® Nitrite Test Kit — 180 Tests Poly-Flo This means very low maintenance

This means very low maintenance and effective aeration system

Includes length of 3/4" kink-free tubing

4" SS-L75x4WU 300W 30

while the black color hides foam in the shadows of the rocks

Unlike other repellents

API® Nitrite Test Kit — 180 Tests Poly-Flo This means very low maintenanceAPI Nitrite Test Kits quickly and accurately measure the level of nitrite in pond water, reading levels from 0 ppm to 5 ppm. Determines the level of nitrite, a toxic chemical produced when nitrifying bacteria break down ammonia in pond water. If untreated, high nitrite levels may cause pond fish to suffocate & die. Helps you catch and correct nitrite before it reaches unsafe levels! Includes test solution, glass test tube, color chart, easy to follow