TrolMaster Digital CO2 PPM Controller / BETA-8 (SALE 20% OFF) Sbl this controller comes with a

this controller comes with a temperature probe

and temperature anywhere

Bio Weed provides the supplemental boost you need for your plants

0 ~ 4 mS/cm) / Temp

For container gardens: Between nutrient changes: Drench thoroughly with Clearex solution until there is 20 – 40% runoff from the bottom of the pot

TrolMaster Digital CO2 PPM Controller / BETA-8 (SALE 20% OFF) Sbl this controller comes with aFINAL SALE! The 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 an adjustable dead band and min max recall. It also has a fuzzy logic feature which will more accurately