Your set-up looks fine and will undoubtedly grow you some good cannabis.
However, if you have heat issues look at these two minor problems. One, you're growing right next to your water heater. Two, you can position your a/c not at the top but at the bottom of your grow room. That way your a/c discharge is cooling your reservoir, where temps are much more critical in hydro than canopy temps.
However, if you have heat issues look at these two minor problems. One, you're growing right next to your water heater. Two, you can position your a/c not at the top but at the bottom of your grow room. That way your a/c discharge is cooling your reservoir, where temps are much more critical in hydro than canopy temps.