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Dual-output control is the key differentiator from most single-device humidity controllers
another liquid PK additive
the other being Micromix Soil
indirect movement rather than one fan blowing directly at the plants
Mammoth Foam Box Fans Size:10" (250mm) - 2500 m3/hr Dual-output control is the keyMammoth Foam Box Fans Quiet Extraction Power for Large Scale Growing Best for: Large scale growers and noise conscious setups needing serious airflow without the racket Our thoughts If you're running a big grow and noise is a problem, this is the fan you need. Mammoth Foam Box Fans are proper kit solid, reliable, and they shift enormous amounts of air whilst staying quiet. The foam insulation actually works, the build is bulletproof, and they arrive
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