The Planted Tank Forum - View Single Post - Plant salesman says Walstad method is flawed
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Old 09-02-2010, 10:14 PM   #24
slb
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Quote:
Originally Posted by plantbrain View Post
I think given your goal, it's a good choice of a method.
You can also go a water column dosing method without soil.

http://www.barrreport.com/showthread...on-CO2-methods

Regards,
Tom Barr
Tom (or someone familiar with his non-soil method)

I read the link and some of your other forums. Thanks for pointing me to it. Being a newbie, I'm still a little confused. Tom mentions onyx sand, leonardite, and peat. How thick of layer do I need of each and in what order? And, can I put my decorative gravel on top or will that disrupt the system?

Also, wouldn't peat have the same issues with NH4 as soil?
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