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Published on Mar 10, 2012
A strange thing happened the last time I changed my aquarium filter pads (Emperor Aquatics Super Filter Felt 50 micron pad & Lifegard Aquatics Bonded Filter Pad), my skimmer (Reef Octopus 6″ Recirculating Skimmer DDNW-150-6530B) went crazy! The collection cup was spilling over a minute after the pads were placed in the sump. The overflowing bubbles lasted for about another minute before dying down. My guess is that one of the filter pads increased the water's surface tension to the point the bubbles would not "pop."