Hot Tub Forum
Original => Hot Tub Forum => Topic started by: 3hester on April 02, 2013, 11:01:49 am
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I have read in the forums that some users of spa frog cartridges have successfully refilled a spent cartridge. How do you access the cartridge without damaging its integrity?
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I remember folks trying that a few years ago, but since then they have changed the cartridges. I don't believe you can open them any longer.