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*Three-Part Liquid Program:
The humic acid in Top-Max can help change this
Recommended filtration: 130 micron / 120 mesh
meaning the raw materials are sustainably sourced and environmentally friendly
Hanna Instruments GroLine Quick Cal Combo Calibration Solution Bottle, 500mL CO2 Tanks *Three-Part Liquid Program:The Hanna Instruments GroLine quick calibration solution is for use with Hanna's GroLine pH and or EC TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and or conductivity sensors. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of calibration solutions have been specially formulated
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