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Re: Aquatic Plants Digest V5 #398

David Kysar wrote:
 > In other words for plants to clean a tank with 30ppm NO3 to 0 ppm NO3
 >  the plants would need to grow 1800 grams or about 4 POUNDS WET. If
 > I'm  wrong on these calculations it would be the estimates for % H2O
 > in an  aquatic plant and the % N in an aquatic plant but I shouldn't
 > be off by  much.

Sounds about right to me. If you have a tank with bright light, good 
nutrients, and CO2, 4 lbs worth of plant growth will happen very 
shortly. I can pull out a 5 gallon bucket full of plant material from my 
80g after 2 weeks.