snip >Personally, as I have said, for use with an average tank I would go for >flourescents. - my planned tank size is 60 in L x 18 in H x 24 in D - my planned light 2 125 W mercury vap lights - 2 36 watt OSRAM PL LAMPS - 2 ordinary shop lights maybe GE or HITACHI what do you think TIA MIKE