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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
Weight: 6 lbs
that natural production can be strained
safety-certified package
The formula includes pH-stabilisers to help keep the pH in the nutrient reservoir within the optimum range
clean-running liquid designed for growers who want a straightforward PK option they can rely on during mid- to late-flowering
Back Draft Damper - 4 Inch instore-only Weight: 6 lbsBack Draft Damper is a galvanized ventilation damper for ducted fan systems, designed to help block reverse airflow and reduce air leakage during fan downtime. Built as a backdraft damper for ventilation ducting, its a straightforward airflow control component for growers and gardeners who rely on consistent air exchange. In spaces where air movement drives comfort and stability, unwanted reverse airflow can pull stale or outside air back through the