PJ Diaz
Well-Known Member
I think the big difference here is that it's easy to cool an aluminum reflector and pull the heat out of your grow room. Cooling your walls, not so much. To further illustrate this point, when I didn't cool my 600w hps (aluminum reflector) it was about 5 or 6 degrees hotter than it was after I rigged up my same reflector with the exact same exhaust fan I was already using to pull the air out when the hood was not cooled. Obviously this doesn't apply to cfl grows directly, but imo the real point is why would you line your walls with something that is going to potentially cause a heat issue, when you can simply use white paint or even white paper?The thing is though, both share similar heat reflecting properties. (same with Mylar) 99% of the time it's not the light that hurts the plants, it's the heat.
It's nuts for a person using an aluminum reflector to bash someone using A-foil on their walls.
Here's my cliff notes version of this thread:
The OP posted a question about A-foil, which he hoped would justify his use of such material. Despite the majority of experienced growers telling him that it's not a great idea and giving him better options, he has chosen to hold tight to the few people who say "it's not that bad". Maybe it isn't that bad, but it's surely not that great either, and there are better choices in the same (or lower) price range.