pH 4.01 Calibration Solution 20ml Sachet flowering stages 2 m × 2 m

2 m × 2 m size – ideal for 8–12 plant grows or linear LED layouts

these lightweight grinders combine durability with signature RAW styling—ideal for everyday use or as a stylish gift

Classic black colour – discreet

Greenhouse Feeding Long Flowering

pH 4.01 Calibration Solution 20ml Sachet flowering stages 2 m × 2 mUnlock Your Pot tential with pH 4. 01 Calibration Solution 20ml Sachet Low pH calibration is critical for South African hydroponic, coco and soil growers hard water, acidic amendments or drift in recirculating systems can push readings below 5. 5, locking out iron, manganese and other micros before you see yellowing or stunted growth. The pH 4. 01 Calibration Solution 20ml Sachet provides a single use, NIST traceable buffer (exactly 4. 01 at 25 C) to