Bluelab 7.0 Calibration Solution Case of 6 Options:Bluelab pH 7.0 Calibration Solution 250 ml, case of 6 - Adjustable CO2 set point

- Adjustable CO2 set point from 100 to 4

It is important to maintain a pH of 5

High capacity pre-filter for Evolution-RO1000

Nutrilife H2O2 (29%) makes it easy to increase oxygen levels around the root zone

Bluelab 7.0 Calibration Solution Case of 6 Options:Bluelab pH 7.0 Calibration Solution 250 ml, case of 6 - Adjustable CO2 set pointCalibration and conductivity standard solutions a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of the Bluelab Conductivity Temperature probe. Bluelab solutions are manufactured specifically for Bluelab products and are referenced to high laboratory standards to ensure your Bluelab products last longer and