A solution with a set pH value of 4.00 - to be used for calibration of pH meters, monitors and controllers.
pH buffers are solutions of a known and fixed pH. These are used to calibrate pH meters. This should be done on a regular basis to ensure ongoing accuracy from the meter. A solution with a set pH value of 4.00 - to be used for calibration of pH meters, monitors and controllers.
Jiffy-7 is a cost-effective, clean rooting medium that is well suited to the propagation of many crops. They are made from sphagnum peat moss.
IN STORE PRICE - £17
BioBizz All·Mix literally does it all for you – creating the optimum environment for plants to flourish throughout the year.
IN STORE PRICE - £14
Bat Special is House & Garden's premium quality soil mix. It contains German black peat and Baltic white peat, both of which carry the RHP stamp.
A solution with a set pH value of 7.00 - to be used for calibration of pH meters, monitors and controllers.
A solution with a set pH value of 4.00 - to be used for calibration of pH meters, monitors and controllers.
