Re: [APD] Re:Re: Minimum Light Threshold..

[Gomer <ThatsMrGomerToYou at gmail_com>]

Time to shift even more extreme...

My 0.75g nano has a 7watt PC bulb about 6" away from the
gravel...given the growthrate and behavior of the plants, It grows
more like a low light tank....like 1.5-2wpg PC over a 30g....even
though it is 9.3wpg and light is extremely close to the substrate.

 
> Your example fails here and in the other forum because you seem to think the
> watts per gallon rule applies to incadescent light bulbs. I presume you are
> not talking about a four watt flourescent. A flourescent light is several
> times more intense than an incadescent.  That is why a 13 watt screw in PC
> takes the place of a 75 watt incadescent.  2 to 3 watts of flourescent light
> per gallon of water over a ten gallon tank is more than enough to grow just
> about anything.  A ten gallon tank is very shallow. Explain to me why a ten
> gallon tank  would need more intensive light than a 20 gallon tall tank.
> Please.
> 
> Robert Hudson
> www.aquabotanic.com
> 90 day guarantee on plants!!
> 
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