ironmunki;1884993; said:they grow pretty slow so you could probably keep one in there for quite a long time.
snakeheader;1885558; said:Mine grew 2 inches in about 3 months,of course i power feed
He should be ok in there for awile,Ive seen some reach up to around 23-24 inches may have to upgrade 4-5 years down the road but that gives you plenty of time.