This is informative. I have 4 FX4 and 3 FX6. Last cleaning I used a bunch of polishing pads. Few weeks later, bubbles on all filters sporadically. Polishing pads were gross, they were the issue. I have an Ehiem for YEARS, best $800 spent!
help my fx5 blowing alot of air in the tank
- Thread starter Wufei
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