Grow1 120V Dual Digital Timer Heat Mat KDF-85 media is especially efficient

KDF-85 media is especially efficient at removing iron and hydrogen sulfide and is used to control the buildup of bacteria and algae

and Diatomaceous Earth Feeding Recommendation Free Choice

Recommended pumps: AAPW400 or AAPW550 or AAPW800

at shows etc

Grow1 120V Dual Digital Timer Heat Mat KDF-85 media is especially efficientGrow1 120V Dual Digital Timer Stay on time with Grow1 dual outlet digital timers. With a 15 Amp maximum load these timers can handle most of your high amperage devices from ballast's, fans, air conditioners and many other commonly used grow room gear. Equipped with an easy to read LED screen and 8 programmable options you can keep each day in your grow room timed perfectly. This timer can set times with a 1 minute interval and can be cycled with your