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Discussion Starter · #1 ·
I have a 20" high tank and I am currently using three 27W spiral screw-in compact fluorescent bulbs to light the tank. I know that these spiral bulbs lose strength due to the restrike. What kind of plants do you guys think I can grow with this lighting?

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Discussion Starter · #5 ·
Wai, now I feel stupid; isn't restrike when some of the light from the bulb gets absorbed by the bulb itself?

@Logan's Daddy: Sorry, I meant it's a 20 gallon high tank. It's dimensions are 24X12X16 inches. Wow! That's alot of lights! By the way, I currently have two bulbs around 6500K and one at 2700K. After installing these lights, I developed (and still have) green water, and my GDA (even after the recommended 2-3 week period) is still very healthy. Should I remove the 2700K bulb? I put it in to help the plants as much as possible, but if it's going to cause further algae, I'll take it out. Do you think I have too much lighting? What do you guess my WPG would be?

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