Re: [APD] Light cycle and algae

["Richard J. Sexton" <richard at aquaria_net>]

At 07:46 AM 01/10/2005 +1000, you wrote:
>I recently read in a beginners' book (*) on aquatic plants the assertion "It
>is possible to combat algae in the aquarium by  (...) creating a "siesta"
>period.  (...)  If the aquarium receives 5-6 hours of lighting followed by
>2-3 hours of darkness and then another 5-6 hours of light, the plants will
>be relatively unaffected  (...) but algae growth rates will be significantly
>reduced and may even start to die back."
>
>Does anyone here have empirical evidence about the effectiveness of this?

I tried it. Didn't work for me, ever. Proper fertilization did.



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