Description
on the farm
28" unbreakable wand and shut-off valve for excellent reach
In systems using reverse osmosis (RO) water and plants grown in inert media
penetrating deeper into the plant foliage
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
