Gavita Master Controllers Hydro Dynamics Do not tank mix PFR-97

Do not tank mix PFR-97 20% WDG7 with any fungicides

CANNA Boost can be used in any growing system and in combination with any feeding

Pure Blend Pro Grow is beneficial for fruits

Professional quality

Durable ceramic-coated metal housing UL-recognized components

Gavita Master Controllers Hydro Dynamics Do not tank mix PFR-97Our e series ballasts no longer require a switchboard to be switched on and off and no longer need their own switch to dim or boost them. Now you can just touch a few buttons on your controller to be in complete control of all your connected ballasts at once. Our Master controllers do this, and much more! The Gavita EL controller series currently comprises of two models: The EL1 and EL2. Both feature auto dim, auto shutdown, sunrise sunset, and timer.