Bluelab pH 4.0 Calibration Solution 500ml Meters In systems using reverse osmosis

In systems using reverse osmosis (RO) water and plants grown in inert media

Potting and Repotting Money Tree

penetrating deeper into the plant foliage

Apply up to a maximum of 25 kg per 25 m2 (200 lbs per 1000 ft2) annually

on the farm

Bluelab pH 4.0 Calibration Solution 500ml Meters In systems using reverse osmosisBluelab pH 4. 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.