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Old 11-27-2011, 02:45 AM
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Default Making a hole bigger
I have a tank with 2 holes in the overflow, one is 3.5" for 2.5" bulkhead and one is 1.5" for a 0.75" bulkhead, I want to make the small hole bigger so I can use the herbie style drain. what is the best way to do that? thank you.
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Old 11-27-2011, 02:53 AM
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how thick is the glass?
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Old 11-27-2011, 03:05 AM
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it's about 5/8".
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230G, 3 X 250w MH , 4x 39w t5 , about 200lbs of LR, 2" of LS bed, 2 maroon clowns hosting a RLTA, 1 regal tang and 1 yellow tang, 1 blonde neso tang, 1 coral beauty, 2 scunk clowns hosting a GBTA, 1 midas blenny, and a mandarin gopy, 6 blue green chromis and 1 six line wrass.
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Old 11-27-2011, 03:08 AM
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should be easy then, if it was thinner you'd have to worry about cracking.
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Old 11-27-2011, 03:14 AM
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I just did this exact thing on my sump with 5/8th glass. It was a 1 1/2 inch bulk head hole and now is a 2 inch. Bought the bit online mops something, came in three days...only took a rum and coke to deal with the screaming of the glass and tada a perfect hole over a hole.
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Old 11-27-2011, 04:10 AM
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what kind of rum?
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Old 11-27-2011, 06:46 AM
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Quote:
Originally Posted by nanomano View Post
do you need to have the glass wet to do this? and What type of bit? like a diamond tipped hole saw i'd imagine?
Yes, you well need to keep water on the glass while drilling to keep it cool. You will need a diamond bit made for drilling glass.

Michael Rice
Marine Engineers Aquarium Blog
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Old 11-27-2011, 07:04 AM
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Quote:
Originally Posted by mikejrice View Post
Yes, you well need to keep water on the glass while drilling to keep it cool. You will need a diamond bit made for drilling glass.

Michael Rice
Marine Engineers Aquarium Blog
Sent from Tapatalk so excuse my poor English
Cool I got one right! Lol
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I'm not 'fallow' you must be talking about my tank!
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Old 11-27-2011, 02:33 PM
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Cool I got one right! Lol
Don't forget the dam. You need to keep the water in place
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Old 11-27-2011, 04:21 PM
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I like to make a wall around the hole with plumbers putty then fill it with water. I also tape the otherside so the water stays in there till the hole is complete.
And put a towel inside the tank so the plug dosent knock the other payne of glass out
YOUTUBE
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