The Harvest-Master Climate Controller is extremely advanced. There is nothing else like it on the market. The scientist-developed factory settings make growing plants simple. Take the guesswork out of growing your plants!
The Harvest-Master Pro Climate Controller does everything the climate controller does plus monitors and controls the feeding of CO2 in your grow room for intense flavours and maximum flower/fruit creation.
The Harvest-Master Pro Plus is the cadillac of climate controllers! Simply the most innovative controller on the market. And if you want the cadillac, but it doesn't fit your budget, order it w/o CO2 sensor, then add later!
