TrolMaster Digital CO2 PPM Controller BETA-8 LED Grow Lights this formulation combines ingredients with

this formulation combines ingredients with variable nutrient release rates for feeding plants all season long

Unlike other organic brands which clog up commercial irrigation systems

1 x SA-S81 Sensor

Box dimensions: 24

Rockwool or hard water where less calcium is needed

TrolMaster Digital CO2 PPM Controller BETA-8 LED Grow Lights this formulation combines ingredients withDigital CO2 PPM Controller BETA 8 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 adjustable deadband and min max recall. It also has a fuzzy logic feature which will