Equipment question:
I have a couple of ten gallon tanks I love with undergravel filters. These tanks are a little under a year old, and I am quite happy with their performance so far. One question I have is that the powerhead that sits on the riser from the filter grid has a little bracket that attaches to the wall of the tank, well, actually, the bracket is what I have a problem with. The suction cups aren't doing their job any more. I've cleaned both the cup and glass, but the rubber cups don't flex as well and the bracket just falls off the wall. The powerhead still rests on the riser, but I wonder if anybody here has the same problem and / or better / different solution. Anybody?
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