100Pcs 7-in-1 AQUARIUM PH TEST KIT TEST STRIPS TROPICAL FISH TANK WATER TESTER
Take 5-10ml of the sample, and take the supernatant for testing after standing. Nitrate nitrate test range 0~240. Nitrate Nitrite. Carbonate Root Carbonate Root Test Paper 0-180. Too high or too low PH is not good for fish growth.