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Re: Algae and light timing
Don Matakis wrote in part about a study done by researchers from
> Give plants and fish a " midday peace ". Here is a tried and proven
> rhythm: In the morning at least 4 - 5 hours light. Then a dark break
> of 2 - 4 hours. (get a cheap timer) Afterwards at least 4 to 7 hours
> light. During the dark break the aquarium should not be completely
> darkened (indirect light of from windows or a lamp, a few feet away
> in distance). The light times should amount to always at least 4
> hours. Shorter phases are not sufficiently used by the plants. In
> contrast to the general opinion we determined there are no negative
> effects, neither on fish, nor on plants. Probably because of strong
> light reductions, e.g. by thunderstorms, where in the Tropics they
> are relatively frequent.
> Algae do not like this " lunch time " obviously. Whether that is
> because of the fact that the " primitive " algae are less flexible
> than the " modern " aquarium plants, or whether an improvement in
> oxidations - / reduction of equilibrium plays the main role, is not
> clarified yet. Against algae this method works astonishingly well.
> (in the first days after the conversion you should measure the CO2
> regularly and adapt the CO2 accordingly. Usually less CO2 is needed).
> Read about algae on the Tropica site, that is a good companion piece
> to this info!
I have at least two questions:
There is little algae in the thunderstormy tropics?
Does the reduction in the need for CO2 mean there is less algae around
using or that the plants are photosynthesizing less?
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