Product description
7 in 1 test strips, all in one
2) Nitrite (NO2): Ideally 0 mg/L. 5 - 10 mg/L need to add nitrifying bacteria or filter media
3) Nitrate (NO3): Ideally 0 - 25 mg/L. 100 - 250 mg/L recommend to water change
4) Residual chlorine (CL2): Ideally 0 mg/L. May add anti-chlorine or increase aeration
5) General Hardness (GH): Ideally 25 - 120 mg/L
6) Carbonate Hardness (KH): Ideally 40 - 120 mg/L
7) Total chlorine (TCL): Ideally 0 mg/L
- Easy to use, just dip for 2 seconds!
- Light weight, portable to carry around easily