Bluelab 4.0 pH Calibration Solution 250ml (Pack of 2) Size:250 ml Adjustments can be quickly made

Adjustments can be quickly made to get your crop back on track

Add KCl solution to the cap of the pH pen/probe for storage

Tray2Grow includes:

The irrigation follows an ebb and flow method and thus the growing media is not fully submersed but is only partially saturated

Bluelab 4.0 pH Calibration Solution 250ml (Pack of 2) Size:250 ml Adjustments can be quickly madeIf you want to improve your Bluelab pH products accuracy and longevity, youll need to get into the habit of regular cleaning and calibration. Luckily, the easy to follow calibration process is the same for all Bluelab pH meters and pens. After cleaning your pH probe, youll need to calibrate it with pH calibration solutions at two reference standards 4. 0 and 7. 0 pH. Once calibrated, you can start measuring pH again immediately. Pack Includes 2