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5 to 1ml of Calmag per litre of water
2m bay to fill and don't need commercial-scale coverage
Position the brain unit lower than the trays so gravity feeds into it
and NFT setups
This is a properly formulated two-part hydroponic feed that doesn't ask you to choose between quality and price
G.A.S AC1 Thermostatic Fan Speed Controller Bulky 5 to 1ml of CalmagG. A. S AC1 Thermostatic Fan Speed Controller Simple Thermostatic Control for AC Fans Best for: growers running a single AC extraction or intake fan up to 5 amps who want straightforward thermostatic speed control without EC compatibility. Our thoughts The AC1 is the no fuss option if you're running a standard AC fan rather than an EC one. Unplug the sensor and it's a manual speed controller; plug it back in and it's thermostatic. That flexibility,
