i had a tank for about 4years been running a ice cap from day one love it got 3 new tubs this week put them in turn on the lites left for about 5min came back lites out went to the fish store i got them for and took the icecap with me he tryed to run it on one of his tanks dont work he came back to my house put his in the blues got so hot that your could no put your hand on it for 3sec it wood burn you call the ultalife thay tryed to say it was the icecap. that should of shout down got so hot it melted the holder for the tubs ultralife will not do nothing for me so i hope that it dont happen to any one form no on im running uri tubs had good luck with them so keep you eye on the reeftinc blues and dont try to get help from them if you have any thing go bad