01-10-2007, 10:32 PM
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I use air stones on both my tanks with great success. If you plan to add DIY or pressurized CO2 then a bubbler defeats the purpose completely. You may not have much success with airstones in the tank but my plants thrive, well at least the plants in one tank do. I run them all day and night. You will have to see what works for you if you don't plan to inject CO2, If you do plant to inject, then an airstone during the day is going to defeat the purpose and should only be run at night, turn on 30 minutes before lights out and then off 30 minutes before lights on if you can time it that way. If not it really doesn't matter.
As for fake and real, maybe to start with but if you get any descent growth, the real plants to obscure the fake and they will be the spots where algea grows the worst.
For a 15 gallon, you want at least 30 watts to grow plant with a noticeable growth rate. Anything below that will still grow a lot of plants but the choices are a lot more limited.
Grassy, low carpet plants require a LOT of light. For a standard 15 gallon, I would say 50-65 watts to grow them at a rate faster than a snail in winter. I have 33 watts over a standard 10 gallon and can not grow glasso, HC or clover.