🌞 Summer Sale!! 🌞
Use code "5015" during checkout for 15% discount for purchases > $ 50
or code "10020" for 20% discount for purchases > $100

Search

Search Criteria

Products meeting the search criteria

Show:
Sort By:

Checker pH Tester with Replaceable Electrode

The HI98103 Checker pH tester has been designed with many advanced features while maintaining the lo..

$41.99

Checker Plus pH Tester

HI98100 CheckerÂź Plus pH Tester The HI98100 Checker Plus is the next generation of the original Han..

$58.99

CO2 Tester Kit

We recommend measuring CO2 periodically to ensure optimum levels for growth. The Active Air CO2 Test..

$20.95

CO2 Tester Kit

We recommend measuring CO2 periodically to ensure optimum levels for growth. The Active Air CO2 Test..

$20.95

Combo pH/ ORP/ Temperature Tester

HI98121 is a waterproof meter that measures pH, ORP and temperature. The housing of this tester has ..

$255.99

Combo pH/EC/TDS/C/PPM Tester

This waterproof tester offers high accuracy pH, EC/TDS, and temperature measurements all in a single..

$213.99

DiST 1 TDS Tester

The waterproof DiST 1 features a large multi-level LCD which displays both TDS and temperature readi..

$73.99

EC/TDS/Temp Waterproof Hydro Tester

The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing application..

$42.95

EC65 Waterproof Tester

The C65 is a microprocessor-based conductivity tester with a rugged one-piece IP67 waterproof casing..

$88.99

EC66 Waterproof Tester

The C66 is a microprocessor based Waterproof Conductivity Tester with a rugged one-piece IP67 waterp..

$88.99

GroChek Hanna pH/EC/TDS/C/PPT Pocket Tester

Here is a waterproof tester that offers high accuracy pH, EC/TDS, and temperature measurements in a ..

$213.99

Milwaukee TDS/PPM T75 Tester WP

Stainless steel probes deliver fast and accurate readings with ten times better resolution. Comes w..

$88.99