HLC Advanced HID Lighting Controller veg-and-bloom Purchase this replacement sensor for

Purchase this replacement sensor for your Oakton Low/High/EC High tester and keep your instrument running in the most efficient shape possible

and up to 48 2-gallon modules

or apply it directly in a planting hole – using the rate of one teaspoon for every one gallon of water

• Can run efficiently on generators without flickering

HLC Advanced HID Lighting Controller veg-and-bloom Purchase this replacement sensor forAdvanced HID Lamp Control High temperature shutdown with selectable delay Combines all of the HLC1, HLC2, and HLC3 functions into one unit. Selectable switch lets you choose whether to run the controller for temperature shutdown, on delay, or both. The Temp setting shuts off the outlet when chosen temperature is reached (and back on when it comes down 5 degrees). Perfect for protecting the crop in the event of overheating. Delay provides a 15 minute