Growth Technology - pH Buffers 4, 7 and EC Standard 2.76 - Hydroponics Calibration
Handy 300ml bottles of pH Buffer 4 or 7 and EC Standard Calibration Fluid.
Use regularly to ensure all pH and EC Meters are calibrated correctly - This ensures true readings and allows for perfect plant feed levels.
Designed to be used in testing the accuracy of pH and EC meters, weekly use is recommended maximum accuracy.
High quality pH and EC calibration fluid in a safety bottle.
Always read the instructions and take the proper care when using.
Never mix chemicals, especially these
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