I just got the tank in the mail. Thank you for the prompt shipping. However this tank still has metal fragments in it. A few less than the the first tank but enough of them that you can pull some out with a magnet. Did you check this before you sent it? All I did was shake the tank after I opened the box and new there was something inside. Is there a way you can clean a tank before sending it? Should I just put it on and hope it doesn't ruin a $500 dollar hydro pump? Like you said earlier the filter is the first stop so maybe I will just start putting my spare change in the tank as well.