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when using them to control and stabilise Ph
The Bluelab Guardian Monitor is mains powered and is mounted to the wall or hung on a support and the probes simply placed into the reservoir
micronutrients
Great for organic growers
Lighting Controller for Ballasts Gavita Master Controller (EL1) when using them to controlGavita Master Controller EL1 Lighting control at your fingertipsUsing a Gavita Master controller to control your e series fixtures offers you maximum control, ease of use, plug and play installation and safety. Just connect the controller cables to the fixtures with the included T splitter (see diagram), set the dials on the fixtures to EXT (External control), plug the controller and the fixtures directly into mains and you are set to go. The