your lighting is nowhere near adiquate, you should be thinking about 175 watt halides or 150watt hqi's. upgrading later is costly, the bulbs last half as long and will you will spend just as much as halides in the end but get a much better lighting system. you can easily get away with 1 250 heater. look for a titanium one they are unbreakable. a seio 1500 is a pretty stong pump for lps, if will whip them around alot in a 75, it will also blow the crap outa a sand bed. try an 1100 they are smaller and use a diffrent mounting system.
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