04-24-2012, 05:18 PM
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Originally Posted by Christople
A 20'' fixture takes 18'' bulbs right, and if so I see daylight bulbs for 5 bucks at home depot that would work.
trust me you don't want home depot bulbs! the is a huge difference between HD bulbs and aquarium bulbs. spectrum is extreemely important when growing corals on a reef and keeping algae to a minimum. HD bulbs are for plants. if you go HD bulbs be prepared to have a algae tank! go to any local fish store and ask them about spectrum bulbs, i think you'll be more happy in the 14k range where HD bulbs are in the 3k to 6k range that encourages algae growth. please do research on bulbs, spectrum and quantity of light before buying a fixture you'll hate and have all kinds of problems.