vacation feeding blocks

True, LFS lady sold me this when we bought our first fish in May for this tank. Never needed to use it back then. So to get rid of it I just thought in case a fish dies while we're gone, perhaps this may prevent a spike in ammonia. A bit of peace of mind while away...
 
don't mind me.... i'm just so confused!!!
 
^^ sorry about that ^^ a child decided to post for me :irked:
 
Just got back from 2 wk vacation. What a relief, everything is fine. Everyone looks healthy and my fish feeder worked Great.
 
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