I have 90 gallon tank 48x18x24 (LxWxH) that was in storage for ~17 years, and is currently being used as a baffle-less sump/fuge. I'm in the planning stages to upgrade my 50 to this tank and I like the look of rimless tanks. Most info. I've read says that rim removal is only safe with small tanks (10 gallon or less) and I am normally against removal of tank trim. However, I believe this situation/tank may be different. Here's why...

  1. The glass thickness (3/8") is the same that Great Lakes Aquariums uses for its rimless tanks of the same dimensions.
  2. It has a manufacturer installed 2" wide 3/8" thick glass center brace (see photos)
  3. The plastic trim is relatively flimsy compared to a 75 gallons I have


So, my questions are...
  1. Should I remove the top trim from my tank to make it rimless?*
  2. Would it be necessary to install glass around the perimeter of the tank (eurobrace-style) if I remove the trim?
  3. If I decide to remove the trim would it be worth it to fill the tank with FW for a few months as a test?


IMAG0261 - Removing top trim to go rimless?

IMAG0263 - Removing top trim to go rimless?


*I understand the risk of removing the top trim and won't blame anyone who says "yes" if down the line there is a catestrophic consequences.

Thanks for your input,
Tom