House and Garden Amino Treatment 500 ml House & Garden Amino Treatment® helps to strengthen the plant and build a healthy foundation for later in flowering.

Bluelab pH 4.0 Calibration Solution 500 ml "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). Calibratio

Bluelab pH 7.0 Calibration Solution 500 ml "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). Calibratio

Bluelab 2.77EC Conductivity Solution 500 ml "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat. Plea