Yeah I scraped a lot of crud out of there. I figured it was some kind of adhesive or something I'd have to reapply. I guess I'll just ditch those two filters and use one in-line.
Also, after cleaning the tank (letting 5 gallons of vinegar eat away at the rust), is it really necessary to seal the inside with por-15 or kreem? There were huge clumps of rust from sitting for so long but I think I got it all. Is the tank likely to rust again or should it be fine after it dries out?
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