Bluelab pH 7.0 Calibration Solution 500 ml (6/Cs) #3) Extension Kit raises your

#3) Extension Kit raises your light hanging bars (#706131)

Easily produces 60 gallons per hour of clear water and has a filter capacity of 6

With over 20 years of medical and horticultural enzyme formulation and production experience

For use with Stealth RO

coarse perlite

Bluelab pH 7.0 Calibration Solution 500 ml (6/Cs) #3) Extension Kit raises yourpH 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.""