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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
Pallet (55" x 44" x 90")
Serious growers that are testing many reservoirs daily calibrate before every use
*Three-Part Liquid Program:
Covert UFO 150 Watt Full-Spectrum LED Grow Light
The humic acid in Top-Max can help change this
Hanna Instruments GroLine Quick Cal Combo Calibration Solution Bottle, 500mL CO2 Tanks Pallet (55" x 44" xThe 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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