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We use a marineland penguin power filter which has a biowheel (not to be cleaned or replaced) and carbon filter (to be replaced every 2-4 weeks). Are you sure I should not change this filter?
Aquarium Filters BIO-Wheel Filter Saltwater Filter Freshwater...
We have a fairly new 20 gallon tank, started tank in July added startup kit of chemicals etc that came with tank.
Added first fish end of August then started adding in groups in December 4-5 at a time over 3 weeks. On December 26 many died right after 30% water change on 24th. Reached total of...