Abby's 260

Timfish

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And so it begins . . .

Abby's 260.jpg
 
Making a big hole in a perfectly good tank.





I'm stting this system up with a low profile drain offset to one side away from from the back. Since it won't have a side to attach it to to keep it in place and a lot of rock setting on top of it, I'm adding a second sheet of glass on the bottom to add additional strength to the bottom.



I prefer to start by making a wood template or jig. Jigs will keep the bit in place and stop it from "walking". If drilling multiple holes a jig helps keep all the holes aligned also. The diamond bit works just as well with wood as glass (no water is required to cool it
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)


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Sometimes I'll use clamps (use wood on both sides of glass to protect it) but most of the time I use weights like I did here to hold a jig (and hose) in place while drilling.
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Reinforcing glass piece with hole. 20241016_170104.jpg





Silicone and setting the reinforcing piece in place. After it set up a few days I went around the edge with more silicone.
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Drilling out the bottom. To keep the bit cool I added about 1/2" of water. The tank is sitting on a hydralic cart, to help keep the bit from chipping when the bit broke through I placed several layers of cardboard compressed under the location of the hole. The cardboard also helped keep water draining out to a minimum after the hole was completed.
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Checking to make sure I drilled the right size hole.
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IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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