Well folks, I done and did it. Chipped my brand new Landen 120p while drilling. am I screwed? It's a pretty big clamshell on a 1.5 inch hole. I'm worried that even if I drill a larger hole, it'll still be too much.
Another thread about chipped glass after drilling.
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lapin
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It’s going to need the gasket on the inside for sure as that’s the only side that’s still flat and will seal. You might even think about a wider gasket on the outside to spread out the pressure when you tighten the bulkhead.
Sugmug
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Unfortunately, I got a high powered flashlight and looked throughout the area much more closely. There's about a 1/2 inch long crack running vertically roughly in the center of the glass, about 3 inches away from the hole.
The top photo shows a crack into the glass pane, and that's what will cause it to fail eventually. Overflows are typically high up on the tank where there isn't a whole lot of pressure, but the risk is definitely there. Up to you whether you want to take the risk, but it's only going to be more of a pain in the rear down the line.
Sugmug
New Member
Unfortunately, I found this actual crack embedded in the glass. I think there's only two real options. Enlarging the hole won't work because of clearance reasons between it and the rim and it and the 2nd hole. So I could scrap the tank (or use it as a paludarium) Or drill stop holes at the ends of this crack and then patch the whole area with a beefy chunk of 12mm glass. It wouldn't be clean, but if I paint the back of the tank it'll probably be pretty good.
That's actually just a scuff mark from where the bit skipped out. It's not a real crack.
That's actually just a scuff mark from where the bit skipped out. It's not a real crack.
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