Description
Ammonium is from organic matter, such as unconsumed fish food or excretion of fish, and it changes to a high toxicity ammonia when the water quality becomes alkaline. Ammonium disappears once biological filtration works normal. This product helps you to know when the biological filtration starts working properly.
| Article Code | Item | |
|---|---|---|
| 103-206 | Pack Checker NH4 5 packs |
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