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HI98121 is a waterproof meter that measures pH, ORP and temperature. The housing of this tester has ..
$232.99
This waterproof tester offers high accuracy pH, EC/TDS, and temperature measurements all in a single..
$199.99
Multi-range pH/EC/TDS and Temperature meter - 4-in-1 pH/EC/TDS/Temperature probe - The rugged MA851D..
$429.95
Stainless steel conductivity probe with internal temperature sensor, DIN connector and 1 m (3.3') ca..
$156.95
Designed for continuous monitoring of pH, TDS, and temperature, the monitor is simple to install and..
$252.95
Standard portable meters with no frills! Milwaukee’s durable meters are perfect for quick and reliab..
$151.99
HydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter..
$359.00
Designed for continuous monitoring of pH, TDS, and temperature, this device is simple to install and..
$278.99
Digital Sugar Refractometer for general purpose with automatic temperature compensation (ATC).Range ..
$206.99
Digital results from 0 to 9.9. Printed instructions and extensive plant list...
$12.99
The Autopilot Digital pH Controller (APCEPH1) accurately and reliably measures and controls the pH o..
$369.95
Digital results from 3.5 to 9.0. Instructions and plant pH preference list included...
$14.99
Easy to read digital readout. Guidelines for germination and transplant temperatures included...
$14.99
Entry level, inexpensive Dissolved Oxygen Portable Meter for fast and reliable results. The MISM600..
$283.95
The waterproof DiST 1 features a large multi-level LCD which displays both TDS and temperature readi..
$68.99
When the original DiST (Dissolved Solids Tester) was first introduced, conductivity and total dissol..
$131.99