Please excuse my ignorance.
I've never used styrofoam before. Is it just to make the base more even to prevent uneven stress? What type of styrofoam should I use and where should I get it? I ask because I noticed today that I have a leak in my 55 gal
I was about to fill.
Side question: can I just clean with acetone then put new silicone over the existing silicone in the leaky spot? Will it adhere, or do I need to strip it?