I have a 29 gal that has the original light strip that it came with. It takes one 20w fluorescent bulb. I want to up the wattage on this tank. I don't want to get another light strip unless I have to, so I was wondering..can I do something to the strip that I already have? Can I pull out the ballast on this one and replace it with one that will take a higher wattage? I have absolutely no clue as to how to go about this, so any suggestions will be a help!!!