HM Digital Pocket-Size TDS Meter Milwaukee CO2 valve Replace at 1 year regardless

Replace at 1 year regardless of apparent condition to maintain optimal filtration performance

Automatic Shut-off

The pH readings are displayed with a 0

trace minerals

this stage actively rebuilds your water’s mineral content

HM Digital Pocket-Size TDS Meter Milwaukee CO2 valve Replace at 1 year regardlessThe TDS 4 is an ideal pocket meter that can be used for any and all applications, ranging from water purification to hydroponics, to aquariums, to industrial wastewater treatment. FEATURES Pocket size makes it ideal for portability and storage. Hold Function Auto off Function (After 10 min.) Factory calibrated with 342 ppm NaCl solution. SPECIFICATION Range: 0 9990 ppm (mg L) Resolution: 0 999: 1 ppm; 1000 9990 10 ppm (indicated by a x10 icon)