Nitrite is a toxic by-product of pond life and overfeeding. Even low levels of nitrite affect the blood cells ability to carry oxygen and suppresses the immune system. Excess levels of nitrite will lead to fish death.
This kit contains a liquid dropper bottle with child-resistant safety cap, easy-to-read instructions with information on how to test and how to correct unsafe water conditions, colour chart and a glass test tube with snap-tight cap.
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