Have your 10 gallon tank and I guess I ran out of filters even though I just changed it not even 2 weeks ago it's saying it's red I tested my water and it's got some nitrate in it it's kind of pink but I am out of filters I have a filter that is a AquaTech 10 to 20 power filters replacement number two cartridge when I guess they take a smaller one can I use that one in place even though it's a little bit bigger