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you must adjust the pH between 5
They're designed at the highest performance standard
and flavonoids
This oxygenates the water for your fish
It has a remote 1 minute segmental timer that is easy to use and quick to setup
Green Power Commercial Contactor Grow Light Accessories you must adjust the pHOverview The Green Power Commercial Contactor is for controlling multiple banks of HID lights, 12 light version. General Information These units send power to your HID lighting ballast bank by bank, reducing the surge you get from HID lights on start up. Green Power commercial units use heavy duty contactors and delays which allow you to switch HID lighting on safely. Additional safety is provided by the world renowned Grasslin timer which is powered