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[APD] Re: Algae blackout

* From: MJPinckard <MJPinckard at lbl_gov>
I want to try a 5 day algae blackout, but am concerned about not feeding my goldfish for that long. I skipped a day of feeding them a couple of weekends ago, and they descended like ravening hordes upon my plants. There isn't much point in trying to kill the algae, if all the plants that would suck up nutrients once the lights come back on get eaten in the process...

So... what I'd like to do is turn on a light briefly once a day to feed the fish a light meal, then black it back out...

My question is:
Will this brief period of illumination each day undermine the blackout?

The blackout does not have to be a total blackout. It is not like you are developing film. Ordinary room light provided that the tank is not near a window is just as good. If your tank is near a window, just paper over that side with some newspaper and let light come in from the side facing away from the window. The difference between total blackout and enough light to let the fish find their food is not going to make much if any difference for the algae.

Paul Krombholz in unusually cool central Mississippi
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