Need some input> I want to setup a tank just for my clams they are in a 55 gal now but i have one fish that picks on them( have a divider now looks bad but works for now)clams size 5.5 to 7.5 x's 4 can i put them in a 24gal with 1x's 250 HQI 15K lighting will this be to much light??? Plan to use...