10 in 1 Water Quality Monitor PH/EC/TDS/ORP/H2/Fertile/Salinity/S.G/Resistivity/Temp Multifunction Tester for Aquariums Pools

1. pH value 0-14

2. TDS value 0-200000 ppm

3. EC value 0-200000 Å/cm

4. Salinity 0-20%

5. ORP negative potential ± 1999MV

6. H2 rich hydrogen 0-2400PPb

7. S.G seawater specific gravity 1.000-1.222

8. Temperature 0-60 ℃

9. Nutrient solution fertility 0-3

10. Resistivity 50 Ω -20 Ω