Bluelab 7.0 pH Calibration Solution, 20 ml Sachets, case of 25 lighting_accessories 3% Calcium and 1% Magnesium

3% Calcium and 1% Magnesium in a highly available form

Stonington Blend meets the organic production standards of the Maine Organic Farmers & Gardeners Association (MOFGA) and is permitted for use in the production of MOFGA certified organic crops

healthier seed starts

The high strength-to-weight ratio of titanium means that it offers serious cutting capacity in a lightweight package

Bluelab 7.0 pH Calibration Solution, 20 ml Sachets, case of 25 lighting_accessories 3% Calcium and 1% MagnesiumCalibration 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