Calibration Solution Set
Multi-Ion Calibration set for use with the CleanGrow Multi-ion probe.
Only SNPK solutions can be used with the NPK probe. The other solutions are different ranges depending on the levels you expect. S3MG for a tomato grower or similar, S5 mg for general hydroponics. SWWAT for waste water etc. Please ASK if unsure, we can change orders when they come in, so don't worry
Comes as a set of 3 bottles 300 ml each for a 3 point calibration
Comes with a 100ml bottle of conditioning solution