i didnt know T5 were in small lengths for small tanks, im getting T5 for my 29 eventually, tony if you want i can help you turnthe 5 gal acrylic into a sump, its pretty easy, we could dril lthe 10, no problem, and if it breaks its only 10 bucks, i can get a dremel for ma guy in the club, or i can haev a tank drilled for you, the nall yu need is a mag 5 or suttin, talk to me in school monday