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Wait, they push the waste/brine into the hot water line? Wouldn't that defeat the purpose of filtration?

I was thinking more of using it typical gray water usage like watering plants.

> Wait, they push the waste/brine into the hot water line? Wouldn't that defeat the purpose of filtration?

Hot water is for external use only.

... you’ve never used hot water to fill up, say, a pot of water for cooking?

it's gross. Don't do that.

You still absorb an astounding amount of chemicals through your skin.

I imagine despite the term brine it is still incredibly clean water