Great advise on testing the tank, thanks. I emailed Great Lakes Aquariums before I created this thread and asked about glass thickness for their 48x18x24 rimless tanks. They use 3/8" glass. So, I'm less concerned about the glass and more concerned about the silicone. I need to go measure the trim as I think this may influence peoples thoughts.
silicone should least a longg time unless it rots meaning something got in there and ate or or bacteria got on it and ate it or some chemicals deteriorated it. usually in any tank you get a leak because 1 the glass bowed out, 2 you hit it with a scraper, 3 something in your tank hit the seal or a snail/worm/whatever got into and dug behind it, 4 it was never sealed properly to begin with and was holding tight due to pressure on the silicone causing the seal.
take your time with it. remember this hobby = patience.
Originally Posted by Tom@HaslettMI
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