API Nitrate Test Kit Els PW 32502 May slightly raise pH and

May slightly raise pH and water hardness

do not add another — remove uneaten food promptly to protect water quality

Cool-water tolerant

and sluggish growth despite good light

API Nitrate Test Kit Els PW 32502 May slightly raise pH andAPI Nitrate Test Kit The API Nitrate Test Kit measures nitrate (NO), the end product of the nitrogen cycle. Nitrate is far less toxic than ammonia or nitrite, but it accumulates steadily between water changes, and a high level signals a buildup of waste and organics poor long term water quality that stresses fish and, importantly for aquascapers, fuels nuisance algae. Tracking nitrate is really how you decide when and how much water to change. This