This Mini pH Meter will give instant readings (approx. 2 minutes) when you stick the silver metal probe into a sample of the soil or compost. The Mini pH Meter cover the pH range from pH3 to pH10. The instructions give the pH requirement of over 50 plants. No batteries required and can be used repeatedly. Overall length 25cm
Normally next day delivery if ordered by 12 noon (Mon-Thurs)
