Just to dispel any thoughts of fish floating, I leave mine in my tank attached to my Hammerhead Magnet cleaner. I have had absolutely 0 negative signs so far and that is about 10 days or so. Believe me I have kept a very close eye out for any signs. I am totally convinced they are safe.
Take my opinion for what it is worth. I have been keeping tanks for over 40 years and every great once in a while a product comes along that is worth mentioning to others. That is why I posted.
Cheers
Rick..
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