Originally Posted by HD Blazingwolf
YOU WILL HAVE TO REMOVE EVERYTHING
glass polish is a hard glue resin that has small diamond bits incased within it. it will remove small pieces of glass everywhere.. it will kill any fauna for sure
look up diamond paste glass polish. and rent a small orbital sander with a wool buffing wheel..
You could probably use a cerium oxide paste for less.
Using it can be done in a stocked aquarium, but it is a lot of work.