Explore several water properties with one portable pen. The full 4in1 version measures pH, ORP, dissolved hydrogen, and temperature for quick checks. It suits aquarium keepers, hydroponic growers, hydrogenwater users, laboratories, and home testers....
Explore several water properties with one portable pen. The full 4in1 version measures pH, ORP, dissolved hydrogen, and temperature for quick checks. It suits aquarium keepers, hydroponic growers, hydrogenwater users, laboratories, and home testers....
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