The Planted Tank Forum - View Single Post - AB Radio-Vivarium set up for plants and frogs
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post #60 of (permalink) Old 07-30-2012, 08:56 PM Thread Starter
Robert H
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I thought it was also interesting that he mentioned these clear rivers with dense diversity of plants were fed by underground springs, which is just what Tom Barr said. Tom said underground springs are rich in C02.

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