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Maintaining optimal nutrient levels can reduce nutrient burn or stunted growth
Maximise the life & accuracy of your Bluelab OnePen
Cost-effective
Stainless steel body
As a guide
Bluelab Power Relay R4 Plug Type:UK Mains Socket 230 VAC BCTRLY31 Maintaining optimal nutrient levels canElectronic mains switching for the Bluelab IntelliDose Controller activates mains powered equipment, such as irrigation pumps. With four individually controlled outputs, the Power Relay R4 can be used to cycle the power to Heaters, Fans, Lights, and CO2 injectors. Also compatible with Bluelab Pro Controller Wi Fi. Choose from: BCTRLY11 Bluelab Power Relay R4 (110V Type A) NA Cable Pack BCTRLY21 Bluelab Power Relay R4 (240V Type I) NZ AUS Cable Pack
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