Seen it advertised. Apparently you have to have the refined liquid. Steer clear of anything else as may still contain contaminants.
Did you realise this is the mineral often sold as Kitty litter?
Makes you think.
I wonder what has to be done to it to purify it, as kitty litter is so cheap, and liquid Zeolite is so very expensive (by comparison).
Haven't tied it yet.
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