7-in-1 water quality tester pen for pools and drinking water
7-in-1 water tester measures PH, TDS, EC, ORP, SG, salinity, and temperature. Pocket-sized, suitable for household and lab use; customers cite ease of use and quality, with mixed accuracy and calibration concerns
Highlights
- 7-parameter measurement
- portable pocket size
- broad measurement range
Pros
- multifunction 7-parameter tester
- pocket-sized and portable
- easy-to-use for household applications
- suitable for drinking water and pools
Cons
- calibration issues reported
- ph readings may be inconsistent
- instructions considered vague
Best For
Features
- 7-in-1 meter measures pH, TDS, EC, ORP, SG, salinity, and temperature
- Pocket-sized device suitable for household and laboratory pH testing
- Applicable to drinking water, pools, ponds, beer brewing, kombucha, aquariums, hydroponics, and labs