Filters Fast Logo Header
RETURNING CUSTOMER?
SIGN IN. CONFIRM ORDER. DONE.
Free Shipping on orders over $99 | FREE 365-DAY RETURNS
HM Digital water testers will show certain parameters for contaminants and characteristics of your drinking water.

 

HM Digital Test Kits full 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 ORP-200 ORP Meter Water Tester w/ Temp.
In Stock!
Ships in 5 to 6 business days.

Retail: $108.99

Our Price: $87.95

Save 19%!

HM Digital TM-1 Digital Thermometer
In Stock!
Ships in 1 to 2 business days.

Retail: $29.99

Our Price: $19.95

Save 33%!

HM Digital COM-100 Replacement TDS Sensor SP-C1
In Stock!
Ships in 5 to 6 business days.

Retail: $38.99

Our Price: $31.95

Save 18%!

HM Digital AquaPro AP-1 Water Quality Tester - TDS
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $257.90

HM Digital SP-O2 ORP Sensor Replacement for ORP200
Special Order.
Ships in 5 to 6 days.

Retail: $64.99

Our Price: $55.99

Save 14%!

HM Digital PTDS-4TM Pocket Size TDS Meter w/ Temp
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $222.00

HM Digital AquaPro AP-2 Water Quality Tester - EC
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $309.48

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

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $227.50

HM Digital QC-1 TDS & Conductivity Monitor
Special Order.
Ships in 5 to 6 days.

Retail: $39.99

Our Price: $20.30

Save 49%!

HM Digital SM-1 TDS Monitor
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $245.00

HM Digital PH-200 Replacement pH Sensor SP-P2
Special Order.
Ships in 5 to 6 days.

Retail: $58.99

Our Price: $50.99

Save 14%!