Bluelab pH 7.0 Calibration Solution 500ml Carbon filter but also leaves much less

but also leaves much less of an impact on our planet than a pure peat based mix would

decades of cultivation experience

NX-1 Lighting Controller compatible (SOLD SEPARATELY)

1x Nutri+ pH Quick Check Tester

Made in North America

Bluelab pH 7.0 Calibration Solution 500ml Carbon filter but also leaves much lessBluelab 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.