TDS / EC / PPM Testers & Meters
Bluelab 2.77 EC Conductivity Standard Solution 500mL
(1385ppm 500 / 1940ppm 700) (at 250C)
Bluelab Combo Meter
It's all you need for simple and reliable crop management.
The Bluelab Com..
Bluelab ppm Pens
The ultimate handy solution for measuring conductivity (ppm) and tempe..
Bluelab Truncheon® Nutrient Meter
The World’s favorite conductivity meter. Simply brilliant, bril..
TDS Calibration Solutions 1000ppm
TDS Calibration Solutions are available for all of your..
Grotek Electrode Cleaning help maintain your pH meters. These solutions are easy-to-use. Simply subm..
HM Digital - TDS/EC Meter - Hydrotester COM-80
The COM-80 is an economically priced, reliable..
HM TDS-3 Handheld TDS Meter with Carrying Case
With its rugged design and build, the TDS-3 is an ..
Hydro-Logic TDS Inline Monitor
TDS Pro - in/out PPM monitor with 1/2" inlet and 3/8" outlet
Nutradip Nutrient Meters are the reliable way to measure the strength of your gardens nutr..
The Nutradip GrowBoss is the meter you have always wanted.
This meter didn't happen by accident, ..
Nutradip pH Meters are the reliable way to measure the acidity of your gardens nutrient su..
TDS Calibration Solutions are available for all of your TDS meters. Each solution is made with ..
Highly efficient and accurate due to its advanced microprocessor technology. Auto-Off function conse..