Growth Technology pH Buffer 4 - 1L base-nutrients it requires an equally unique

it requires an equally unique nutritional programme

• Balanced spectrum for full-cycle growing

Extension Cord to suit Phresh HyperFan 5 m (3 pin)

Model: PU5500

Suits 10Ltr - 20Ltr Pots

Growth Technology pH Buffer 4 - 1L base-nutrients it requires an equally uniquepH BUFFER 4 These are solutions of known and exact pH. If your pH meter doesnt read pH 7 (or pH 4) when the probe is put into the buffer then the meter is wrong and needs calibrating. We recommend that the meter is checked with pH 7 Buffer at least once a week, and checked with pH 4 buffer at least monthly. Each pH meter comes with instructions on how to calibrate the meter. Pour enough buffer from the bottle to cover the glass end of the probe when