Bluelab 7.0 pH Calibration Solution 250ml (Case Of 6) Blossom Builder Outer Dimensions: 54" x 54"

Outer Dimensions: 54" x 54" x 7

IP67 waterproof rating

Casing Protection:  IP67

direct contact of Sil-MATRIX with soft-bodied insects results in their desiccation and death

Cali Pro is rich in phosphorus

Bluelab 7.0 pH Calibration Solution 250ml (Case Of 6) Blossom Builder Outer Dimensions: 54" x 54"Calibration 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