acoustic

Hi. I'm setting up a stealth grow in a 2 ft by 2 ft by 5 ft small grow tent. Acoustic ducting is quite expensive and I was wondering if I could get away with just normal ducting. I read somewhere that the acoustic ducting didn't make much difference sound-wise? I've got a carbon filter and...

Hi I'm doin my first grow I've got everything setup and my exhaust ducting is really loud. I was planning on getting about 3metre of acoustic 6" ducting and attaching it to my 6" exhaust ducting but wasn't sure if it would fit? If anyone can help, thanks.