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post #6 of (permalink) Old 05-11-2019, 04:36 AM
Phil Edwards
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Originally Posted by SingAlongWithTsing View Post
wouldnt the pottery clay at least have some cec?
If you use legitimate clay rather than a synthetic it'll have some. I highly recommend *against* using clay in aquariums though. It's actually pretty awful for growing plants. If you've got access to it, check out my talk at the 2015 AGA convention where I go over the substrate portion of my old research. Most of the treatment mixtures were clay based and ended up being completely unsuitable for aquarium use.
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