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Re: [APD] Re:Re: Minimum Light Threshold..
In a larger tank other things besides jsut wpg enter into
it -- the lights spreads farther, plants are farther from
the light. . .
ONe test would be to put the same kind and size plant in
two diff tanks with light the same distance away -- and
then test that kind of setup for diff amounts of light
output. The plant doesn't know how big the tank is, does
--- "Anna R. Dunster" <azzacanth at livejournal_com> wrote:
> I think what rex is talking about is that the plant needs
> a certain
> number of watts, minimum no matter how big of a tank it
> is in. 7 watts
> is just not very much light. As far as the 'watts per
> gallon' rule,
> its not like the water takes and holds the light. The
> plant is a
> living thing that needs a certain amount of light to
> live. In a larger
> tank with the same wpg there are more watts and therefor
> more light.
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