leak

Hello, I've bough a 70ish gal from some dude who didn't understand what he was doing. He drilled 2 holes at the top "frame" of the fishtank to pass some cables for the light. He didn't seal anything. The condensation leak inside the "frame" (because the hollow inside the frame was easily...

I got a 55g second hand recently from someone who abandoned their aquarium. I don’t know how it is. The silicon is still in pretty good condition. But that’s where I hit a decision. The bottom right corner has a sort of glob of silicon that’s been pushed and lifted slightly. All other pieces...

Hey guys thanks for the help in advance on this one. I really need to find out what I did incorrectly. Alright heres the story. I purchased a well used 55g in 2015 (sticker says "built by S.M 2003"). As old as it is I wasnt surprised when it sprung a small leak. I thought, No...

So a while ago I concluded a leak test of a 120 gallon tank I got secondhand, there weren't any leaks over the course of around 4 days. Because of preoccupation with work school/work (I'm a graduate student so they're kind of the same thing), I've kind of left the tank sitting dry for a while...

So I've just recently noticed that the seals on a 120 (2' x 4' x 4') gallon tank that's been sitting empty which I got secondhand are potentially in bad shape in at least one spot; I was able to get my fingernail underneath one of them and pull it a tiny bit, which from what I know is a sign...

So..i just bought this aquarium and i dont know if this is a bad seal..or what it could be. If i had clear silicone it probably wouldve gone un noticed..please help me out .