Showing all 4 results

Show sidebar
Close

Callibration Fluid 1 litre

£2.50£9.00
Conductivity standard of 2.76ms used to calibrate EC meters.
Close

Hydroponic Essentials Ph Buffer

£2.50£9.00
Necessary to calibrate Ph meters. First adjust your Ph pen to the buffer 7, then to the buffer 4. When
Close

Hydroponic Essentials Ph Down

£4.00£8.00
Hydrogarden Ph adjustment solutions are specially prepared for use in hydroponics. They are extremely concentrated and care should be taken
Close

Hydroponic Essentials Ph Up

£4.00£8.00
Hydrogarden Ph adjustment solutions are specially prepared for use in hydroponics. They are extremely concentrated and care should be taken