Bluelab® pH 7.0 Calibration Solution Size:Solution 500 ml Kelp Meal improves soil structure

Kelp Meal improves soil structure and water holding capacity

Detachable 15 ft lamp cord at the reflector and at the ballast

Provides an instant source of energy for plants to channel into floral growth and development

Ferrous Sulfate

The fan has a 90° oscillation motion

Bluelab® pH 7.0 Calibration Solution Size:Solution 500 ml Kelp Meal improves soil structureBluelab pH 7. 0 Calibration Solution "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). Calibration Solution should be stored in a cool place out of direct sun and heat. They should be stored with the lids securely tightened."