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AQUARIUM LAB MULTI-TEST
AMMONIA NH3
HARDNESS GH & KH
NITRITE NO2
NITRATE NO3
PH 6-7.6
PH 6-9
Please select a NT LABS TEST KIT
Nitrate is produced by the beneficial bacteria in the aquarium and filters as they break down the toxic waste products. Nitrate is not toxic to fish, but excessively high levels can affect their reproduction.