Pack Checker COD

The organic matter from the leftover fish food and excretion of fish contaminates the water, and also causes the algae and germs inside the aquarium. COD is one of the indicators which tells the degree of water deterioration. When the aquarium is dirty or has too many fish inside, we see the high level of COD.

* Do NOT use for marine aquarium

Article Code Item
103-204 Pack Checker COD (5 packs

The purpose of Pack Checker