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Walstad Tank with MTS?

1342 Views 1 Reply 2 Participants Last post by  Hitaiwan666
I had been planning on setting up a new Walstad tank for shrimp but can no longer find Miracle Gro Organic Potting Mix locally. Can I use mineralized topsoil instead? Will this provide enough co2 for the plants? Or is it a completely different method?
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Mineralized Top soil is perfectly fine though soil doesn't provide co2...

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