i am going to re-decorate my aquarium in eth next few months and making it into a planted aquarium. i need more light! i have a 29 gallon bowfront tank with a glass lid, i have a hood thang with an 18" fluerescent light bulb(i asume about 15w)! on eth hood itself it says rating 17 watts! i need to get more watts per gallon in my aquarium!my aquarium is 24" wide! someone please help, i loked at petsmart.com and petco.com and all the different bulbs seem eth same! do i get more lights ddo i get a different bulb? what do i do? pleeeeeeeease help!