PH-W218 WiFi Cellphone APP 8-In-1 Water Quality Tester PH/ORP/EC/SALT Monitor
PH-W218 WiFi Cellphone APP 8-In-1 Water Quality Tester PH/ORP/EC/SALT Fish Tank Online Water Monitor. - This is an 8-in-1 water quality tester, which can test the S.G / PH / EC / salinity / ORP / TDS / CF / Temperature values of water.