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CYCO pH Down - 1L
Cyco
MSRP:
$15.30
$14.13
CYCO pH Down lowers the total pH value of the made nutrient solution.
CYCO pH Up - 1L
Cyco
MSRP:
$15.30
$14.13
CYCO pH Up raises the total pH value of the made nutrient solution.
Bluelab pH 4.0 Calibration Solution - 500ML
Bluelab
$22.00
pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope)...