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- Jan 11, 2016
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I have used one on my frag tank for eight months now and it always shuts off and beeps after longer than normal top off time and it usually happens after a water change or I forget to fill the ATO container. It’s kind annoying but also helpful.
Also I believe the package comes with a check valve to prevent siphon but I have my tube above water in the sump so I have never had to use it.
Also I believe the package comes with a check valve to prevent siphon but I have my tube above water in the sump so I have never had to use it.