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Cannamax Calibration Solution Ph7 500ml

by Eddi's
Original price $7.00 - Original price $7.00
Original price
$7.00 - $7.00
Current price $7.00

CannaMax Calibration Solution pH7 is a very necessary part of a growers toolbox. Just fill a small clean container with only enough solution to cover the probe end. Then adjust your meter. Last, rinse probe with clean water and throw out the used calibration solution.