General Hydroponics Ph 4.01 & Ph 7.0 Calibration Solution Kit, Quart Size by General Hydroponics at Paragon pbc. MPN: GHPHCS4&7-QT. Hurry! Limited time offer. Offer valid only while supplies last. General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used.2 bottles - 1 each of Ph 4.01 & Ph 7.0 Calibration Solution. Highest quality electronic meter reference solutions. Each batch is checked to ensure calibration.
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By RJ Chemical Manufacturing
mpn: 99ipa, ean: 0071564203381,