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Power Cord: Hard-Wire Only
Electronic vertical multi-impeller pump
cationic nutrients or metals in a growing environment
Featuring 100% Australian Granulated carbon
These fittings offer strength and durability
Bluelab pH 4.0 Calibration Solution METERS Power Cord: Hard-Wire OnlyBluelab pH 4. 0 Calibration Solution ensures your pH measuring equipment is 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). Calibration Solution should be stored in a cool place out of direct sun and heat and with the lids securely tightened. Case of 6 Bottles Each bottle contains 500 ml 16. 9 fl oz Bluelab pH Pen Cleaning
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