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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
toughened tip for durability
2 m × 2 m size – ideal for 8–12 plant grows or linear LED layouts
A heat-resistant silicone sleeve shields your hands from hot quartz tips while holding the water-filtered straw upright and secure
Classic black colour – discreet
High extraction rates – up to 7
pH 4.01 Calibration Solution 20ml Sachet flowering stages toughened tip for durabilityUnlock 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
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