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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
10 each for pH
peat-based growing medium
screened and graded to a particle size of 1-3mm
When water starts to flow
Add the GROW
Bluelab Guardian Monitor Commercial Fans 10 each for pHAdjustable brightness display. Large easy to read, plant safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. Silent alarm for both high and low settings. Settings retained when power lost (non volatile memory). Temperature compensation. An international power supply. Water resistant design. 2 year Bluelab?? Guarantee (6 months
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