G.A.S - EC5 Fan Speed Controller Beneficial Inoculants Plagron Hydros Coco 60/40 is

Plagron Hydros Coco 60/40 is a proper commercial-standard substrate at sensible money

Step controllers get a bad reputation because so many cheap ones click loudly between speeds or make your fan hum at low settings

If salt buildup or system clogging is something you deal with regularly

Design: Y-shaped

G.A.S - EC5 Fan Speed Controller Beneficial Inoculants Plagron Hydros Coco 60/40 isG. A. S EC5 Fan Speed Controller Reactive Temperature Technology for EC Fan Pairs Best for: growers who want the fastest reacting thermostatic control G. A. S offers for a pair of EC intake and extraction fans. Our thoughts This is the top of G. A. S's EC controller range for a reason Reactive Temperature Technology means it doesn't just react to temperature, it reacts to the rate of change, so a sudden heat spike gets dealt with fast rather than the