Its a bit hasty to say that it wont work.. I´m new here but I´m old at Swecan and and OG. All is about the works... if he created a cool tube or bought one, installed a good fan on the outside to suck out the heat it would work. Then using horisontal scrog combined with a sog, these could be kept alive in a closet with just a 15 watt low energy bulb. Taking the seedlings and putting it under the HPS holding dem down so that they dont grow that much up. Oh well... thats how I see it.. Maybee I´m just a idiot..