aqouen filter

[truck_317]

I gott a 55 aqouen filter with my 55 gallon tank, and its been up for about a week and i already changed my filters in it once and i am still getting things floating in my tank. whats the problem i did put extra carbon in the filter system because my water started to sink help please

 

[KABB44423]

I gott a 55 aqouen filter with my 55 gallon tank, and its been up for about a week and i already changed my filters in it once and i am still getting things floating in my tank. whats the problem i did put extra carbon in the filter system because my water started to sink help please

is there a top on the tank????

 

[truck_317]

yes