pH Meters need to be regularly calibrated to maintain accurate readings. Dissolve the contents of the sachet into 250ml of de-ionised or distilled water. Dip pH probe in contents of the calibration solution and follow the calibration instructions of your meter.
Grow Smart, Not Hard
The Aerospring is simple and easy to use. Our systems are low-maintenance and require less work than traditional gardening. Beyond having to occasionally harvest, plant, or prune — growing with the Aerospring is automated and virtually hands off.