Digital CO2 PPM Controller (BETA-8） no-shipping with no burning or the

with no burning or the need to spray the undersides of leaves

The TSH-1 is capable of controlling variable speed fans

Dilution Solutions Water Powered Doser 14 GPM 1:3000 to 1:333 - 3/4 in (D14MZ3000VFBPHY)

Designed for experienced growers

DTE Bone Meal 3-15-0 is one of the indispensable soil amendments all organic gardeners should have on hand

Digital CO2 PPM Controller (BETA-8） no-shipping with no burning or theThe BETA 8 CO2 controller offers a precision CO2 NDIR sensor controller in an affordable easy to use package. The BETA 8 features a high quality remote CO2 sensor (with 16ft cable) and built in photocell to automatically activate your supplemental CO2 system to maintain CO2 PPM levels only during daylight hours. The BETA 8 also has adjustable deadband and min max recall. It also has a fuzzy logic feature which will more accurately control compressed