Re: Gas buildup in my substrate

by richard@[EMAIL PROTECTED] (Richard Sexton) Jun 22, 2007 at 06:37 AM

In article <137fl2ae0cacpbe@[EMAIL PROTECTED]
>,
Dax Mickelson  <daxm@[EMAIL PROTECTED]
> wrote:
>Richard ***ton wrote:
>
>Not vermiculite?  That is all I've read about to use.  I'm new to
>aquascaping.  What do you recommend then?

Well, it's near heresy but mybest performing tanks have 1/2" of manure
under 4-5" of fine beach sand.
Into the manure you put some washers and steel wool. Under anaerobic
conditions the iron is reduced
and made available to the plants.

Here's a pic of it:

http://images.aquaria.net/plants/Cryptocoryne/u/UND/Image80s.jpg

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