SKU: 09-430-015 Category:

ESSENTIALS PH Buffer 4 250ml

In stock

Essentials ph buffer 4 250ml, “PH”4 solution used to calibrate ph test meters


It is important to realise that unless you calibrate your ph test meters with Buffer 4 and 7 at regular intervals your ph reading may be incorrect. This could lead to poor crop performance and damage to the plants.