EC Standard (2.76 mS/cm) 250ml

EC Standard is used to calibrate EC meters.
It is important more...

Essentials pH Test Kit

A cost effective, easy-to-use pH test kit ideal for the novice/hobby grower.These test kits work by adding a more...

pH Buffer 4 250ml

pH buffers are a known solution of a certain pH value designed to test the accuracy of pH meters used more...

pH Buffer 7 250ml

pH buffers are a known solution of a certain pH value designed to test the accuracy of pH meters used more...

pH Probe Refill and Storage Solution 250ml

pH meters need some care and attention. A little effort will keep them in good shape, which will enhance and more...