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HM Digital water testers will show certain parameters for contaminants and characteristics of your drinking water.
 

HM Digital Test Kits Product List:


HM Digital TDS-EZ 0-9990 PPM Water Quality Tester
In Stock!
Ships in 1 business day

Retail: $24.99

Our Price: $19.95

Save 20%!

HM Digital COM-100 Water Quality Tester
In Stock!
Ships in 4 to 5 business days.

Retail: $70.99

Our Price: $59.95

Save 16%!

HM Digital SM-1 TDS Monitor
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 11 to 12 days.

Our Price: $299.50

HM Digital TM-1 Digital Thermometer
In Stock!
Ships in 8 to 9 business days.

Retail: $39.99

Our Price: $34.95

Save 13%!

HM Digital ORP-200 ORP Meter Water Tester w/ Temp.
In Stock!
Ships in 8 to 9 business days.

Retail: $108.99

Our Price: $87.95

Save 19%!

HM Digital COM-100 Replacement TDS Sensor SP-C1
In Stock!
Ships in 13 to 14 business days.

Retail: $38.99

Our Price: $31.95

Save 18%!

HM Digital SP-O2 ORP Sensor Replacement for ORP200
Special Order.
Ships in 10 to 11 days.

Retail: $64.99

Our Price: $55.99

Save 14%!

HM Digital DM-2 In-Line Dual TDS Monitor 5-Pack
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 8 to 9 days.

Our Price: $227.50

HM Digital QC-1 TDS & Conductivity Monitor
Special Order.
Ships in 39 to 40 days.

Retail: $39.99

Our Price: $20.30

Save 49%!

HM Digital PH-200 Replacement pH Sensor SP-P2
Special Order.
Ships in 8 to 9 days.

Retail: $58.99

Our Price: $50.99

Save 14%!