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Old 07-11-2009, 09:45 AM   #134 (permalink)
nokturnalkid
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Location: Pearl City, HI
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Default Re: How-To: Mineralized Soil Substrate, by Aaron Talbot

Hey aaron,

Looks like's I might try this on a low tech tank I'm setting up. Just a quick question though. If the soil I have already has iron in it, should I still mix in the clay? I know the clay serves a dual purpose as a binder and iron source. Here in HI, everywhere is covered in red dirt. I know that's from the iron oxide from the volcanic soil.
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