5-IN-1 Digital Water Quality Tester Waterproof pH TDS EC Temperature Meter Pool Kitchen Utensils 360° rotating reel makes it

360° rotating reel makes it easy to operate

giving you the flexibility to choose what best suits your needs

USB hard disks

Unaffected by temperature or changing weather conditions

Please choose your product carefully: Measure the size of your mat first and ensure this mat is correct prior to purchase

5-IN-1 Digital Water Quality Tester Waterproof pH TDS EC Temperature Meter Pool Kitchen Utensils 360° rotating reel makes itFeature: Multi functional water quality test pen, which can measure ph pH, solubility, EC conductivity, salinity and temperature. (Sea salt fresh water salt) It is a waterproof water quality test pen with five functions. It has high performance, pen design and fast numerical value. Parameters: Sea salt: Sea water salinity is the ratio of total dissolved solids to the weight of sea salt in sea water, usually expressed in grams per kilogram of sea