The filter has been working for 3 days and I have found it effective for its purpose. I like that the unit sits in the tank and keeps the appearance clean (as opposed to hanging from the back - see 2nd image). The unit comes with an activated carbon filter and accommodates other environments where I would like to add pellets to remove ammonia. The pump provides an even and gentle flow that doesn't bother my Betta. 4 suction cups keep it in place well and there is also an adjustable hook for hanging. This will end up in the turtle tank I'm about to set up (3rd image). I've submerged it to a depth of about 2.5 inches and haven't had any water flow issues so far. I will plant plants around it and fix the pedestal with stones. Overall 5 stars for equipment and price!
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