scratch removal

I purchased this tank off CL. I have decided this tank needs a complete rebuild due to stubborn hard water stain, scratches and the need to reseal. So I plan to tank the tank complete apart to clean and address the scratches. 1. Any advice on how to take the bottom trim off without ruining...

I've definitely learned my lesson about using magnetic alge scrapers with gravel. on Saturday I was using my mag float Alge scraper, I got close to the gravel and got a piece of gravel in the scraper and didnt notice until it was to late I put a huge scratch in the side of the tank. I'm...