TrolMaster Legacy CO2 PPM Controller Bloom Foliar It has a successful pH

It has a successful pH calibration indicator as well as hold and auto off functions

Crafted in the USA with extruded aluminum tubing

4-color packaging

The Hurricane Pro 20 in Commercial Grade Oscillating Wall Mount Fan is a great space saver

TrolMaster Legacy CO2 PPM Controller Bloom Foliar It has a successful pHThe 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