$135.00

EC(0.4-6.0), CF(4-60) and ppm scales (TDS and 700 scale) Fully waterproof Factory calibrated Auto sense on and off No external switches or...

$10.95 - $25.00

$4.95

Control Wizard Products 1382 Conductivity Standard. Use to calibrate all meters that use the 1 EC to 500 ppm water standard.

$84.95

New name! New label! Same easy to use meter! Now with the 4 most popular scales: EC, CF, 500:1ppm, and 700:1ppm! The E.C. Dipstick dissolved salts...

$89.95

The lighted display is large and easy to read. There are no mistakes when the temperature compensating microchip quickly senses the electro...

$14.95

An enlightened concept in pH control, a crystallized pH adjuster for the professional & hobbyist. For soil, soilless, hydroponic, hydroorganic...

$46.23

Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature. Three different calibration options (KCl, 442TM, NaCl), each...

$20.00

Used to clean meter tip. Works for both pH and conductivity meters. Comes as a two part A and B cleaning solution to remove both organic and...

$10.00 - $12.50

Use to store your pH meter electrode between use. This solution is designed to keep your electrode sensing membrane and reference junction clean and...

$10.76

This powder based formula is made to raise or lower the pH in a reservoir. This powdered acid formula is easy to handle and ship. Lightweight in...