Description
on the farm
By growers
Apply up to a maximum of 25 kg per 25 m2 (200 lbs per 1000 ft2) annually
In systems using reverse osmosis (RO) water and plants grown in inert media
Bluelab pH 4.0 Calibration Solution 500ml Meters on the farmBluelab 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.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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