Grow Gadgets Heavy Duty Lighting Timer with Contactor Beneficial Inoculants Start at 25–50% power with

Start at 25–50% power with the light around 80cm from the canopy

Ballast: Low-frequency square-wave e-ballast (compatible with digital dimming)

Growers wanting a chlorine-free option that won't corrode metal fittings

Commercial Grow is a sensible

Grow Gadgets Heavy Duty Lighting Timer with Contactor Beneficial Inoculants Start at 25–50% power withGrow Gadgets Heavy Duty Lighting Timer with Contactor Safe Control for 600W HID Lights Best for: single light growers running a 600W HPS or HID setup who need a timer actually rated to switch that kind of load safely. Our thoughts A standard mechanical timer isn't built to switch a 600W ballast reliably over months of daily cycling the contacts just aren't rated for it, and it's a common way for timers to fail or even melt. Building the contactor in