Quote Originally Posted by dion
i dont understand the question myself bro. are you asking like if you had a cool tube with lets say a 4" extraction point would it be better to have a 6" duct hooked up to it. thats the only thing i could make out of it at least.

Dion
sorry about that bro a bit stoned!
Year im not sure how big it is, but let's say the cool tube is 4" and i put a 6" duct and fan on it will this keep the temp down
hydroking Reviewed by hydroking on . cool tube? I'm going to buy a new system, which as got a big cool tube with 2 600watt HPS bulb's init, would it be best to have my extractor fan and ducktin 2" bigger, as this will be the only extraction point in the grow room? Thank's. hydroing. Rating: 5