
I have two of these for two tanks. One works fine, the other does a twist and then a second 3/4 twist so the hole doesn't end where it started. I know my fish aren't going to starve, but I'm not sure if they're being fed exactly as planned. Since the other one works so well and the unit gets good reviews all over the internet, I can just buy a replacement and write this bad one off as a failure.

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