Small Chip on Front Corner Glass (12mm, 3m Tank) Safe?

  • We are currently upgrading MFK. thanks! -neo

LaurentB

Feeder Fish
Jan 20, 2026
1
0
1
46
Paris
Hi everyone,

My name is Laurent from Paris and this is my first post here on MonsterFishKeepers! Nice to meet you all.

I recently moved to a new place. I used to keep a Tanga cichlids tank, and during the move my tank got a bit scratched/bumped when it rubbed against a kitchen countertop.

Tank specs:
  • 3.0 m × 0.7 m × 0.7 m (approx. 1470 L / 388 gal)
  • 12 mm glass
  • 3 cross braces
  • Tank is currently empty
After the move, I noticed a small exterior chip (~4–5 mm) on the front glass corner edge, located about 12 cm (5 inches) above the bottom. The chip is on the outside only, it does not reach the silicone seam, and I don’t see any visible cracks radiating from it.


Photos:

IMG_20260117_154112.jpgIMG_20260117_154145.jpg
My questions:
  1. Is this kind of small corner/edge chip generally safe on a tank this size?
  2. Since it’s relatively close to the bottom, should I be worried about structural integrity?
  3. Would you recommend any kind of reinforcement, or is monitoring enough?
  4. Any specific fill-test procedure or warning signs I should watch for as I slowly fill it?

Thanks a lot in advance for your help!
 
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