Skip to content
FREE SHIPPING ON UK ORDERS OVER £90 ~ TEL: 01803 394487
FREE SHIPPING ON UK ORDERS OVER £90 ~ TEL: 01803 394487

PH Buffer 7

Original price £2.99 - Original price £6.99
Original price
£2.99
£2.99 - £6.99
Current price £2.99
 Ships Today 
Size: 300ml

Growth Technology pH buffer solutions are used to calibrate pH meters to keep them reading accurately.
First adjust your pH pen in buffer 7, then in buffer 4. When it reads correctly in both buffers you know that your pH pen is reading accurately.