Combination meter meter tester tester (pH, ORP & Temperature) Pond Pool Aquarium KL-031M P05 (Misc.)
Since my old pool pH meter gave up the ghost, was due a new one. I ordered this and it probably goes right back. The unit is supplied with pH solutions Kalibriereren, 2 pen knives and a calibration screwdriver. There appears to be robust. I chose due
