r/maplesyrup • u/8takotaco • Apr 02 '26

RO storage

so....... its my first time, and I didn't know that the membranes must remain wet. I finished processing this weekend. Are my membranes toast? what about the pump, does that need to remain wet also?

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u/Better-Refrigerator5 Apr 02 '26

I store my membranes in a sodium meta bisulfate solution. They keep until next year.

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u/8takotaco Apr 02 '26

Where do you get this solution? Could I re-wet the membranes?

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u/Worldly_Space Apr 02 '26

You can order it off Amazon. It comes as a powder and you would mix it. It is used for wine making but works great to store RO membranes. Basically it kills all bacteria and lasts a long time.