yeah, unless your coking huge amounts of cacti and have been doing so for months, ur in no real danger, the amount of salts needed to do danmage and the amount generated from the average extraction is a safe distance, so go for it and if your still scared, go for the stainless or ceramic
"So the conclusion that I reach, visa vie the individual and civilization, is this: Culture is not our friend. Culture is not your friend. It’s not my friend. It’s a very uncomfortable set of accommodations that have been hammered out over time for the convenience of institutions."