Nitrogen Reduction in Planted Aquariums

In that brief article it does not say whether she kept tropical fish in the planted tanks. If not perhaps there was no need for filtration or perhaps she achieved a desired balance in which only adequate circulation was necessary. It certainly is making me consider more about the need for a canister filter. In addition, she states she does not fertilize her plants any more, but she doesn't elude to any particular requirements in the composition of the soil used. Obviously there is more to it - I guess you need to purchase the book to find out.
 
Correction. She does state that she used ordinary soil as a substrate, however I would say from region to region the composition of soil can differ greatly.
 
you can check out Diane Walstad if you want to find out more..I believe she has some tanks with just circulation..

when you consider that the plants remove the ammonia/ammonium there may be little nitrite to deal with..nitrates if any are then consumed by the plants.

http://www.aquabotanic.com/diana_walstad_gallery.htm

here you can see what was done how well the tanks are doing and some stats.

this is really nothing new(much)
 
AquariArt said:
In that brief article it does not say whether she kept tropical fish in the planted tanks.
Click to expand...
She does keep fish in her tanks. Livebearers, rainbow fish, and she was breeding some cichlids in there (forgot which ones). She says a properly set up tank doesn't need filtration and no more water changes than once every half year. The book is quite nice.

Note the "properly set up" :). You have to be careful with the soil preparation and tank placement. For most people without experience, she recommends using at least some small filter.
 
I have that book. Haven't read it in years, however.
 
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