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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Can not be sold to CT
Use horizontally with hydro systems
coarse perlite
For use with Stealth RO
Same quality
Bluelab pH 7.0 Calibration Solution 500 ml (6/Cs) Can not be sold topH 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). Calibration Solution should be stored in a cool place out of direct sun and heat. They should be stored with the lids securely tightened.""
US$ 22.95
US$ 22.95
US$ 22.95
