Originally Posted by ambilobe
Found a video using cat litter. Anyone try that? Cant seem to get it smooth, but maybe that is a good thing
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You can use cat litter but it doesn't hold up well over time. Cat litter is mainly sodium bentonite (one of the ingredients in the mix I included) one of it's tendencies is to adsorb too much water this causes clay walls to fail over time. Would it work in this application? Not sure.
As far as other links that is the only pre-made clay I have seen out there.
At the end of the day the mix I included is solid and has been used for both clay walls and substrate. You can buy most of the ingredients at a ceramics store.