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Message: <blockquote data-quote="micheldied" data-source="post: 58977" data-attributes="member: 4088">I wouldn't do it for this reason; you're going to have salt build up in the substrate. It is going to stay in there while the water evaporates, and unless you're changing substrate regularly(which you really shouldn't be for a T), it's going to build up and may cause issues( possibly blocking up book lungs).We don't know what effects salt can have on Ts, and in most places where those two Ts are found, there isn't much salinity at all(G. rosea in deserts, and Avicularia up in the trees). IMO it's unnecessary, and an unnecessary risk. But, they are your Ts and if you want to experiment, no one's going to stop you.</blockquote>