Fritz Nitrate Test Kit One Size

FRITZ LIQUID TEST KITS – NITRATE TEST KIT – While not directly a problem for fish at low levels, excess nitrates can cause stress and other water quality issues. Nitrate is continually produced as fish respire and released waste products move through the ammonia cycle, and can accumulate rapidly if not properly maintained. Easy-to-read Instructions. Essential for a Healthy Tank. Accurate in both Fresh and Saltwater.