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PostPosted: Thu Oct 19, 2017 4:43 pm 
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Joined: Mon Jul 28, 2014 7:50 am
Posts: 424
Location: Chadds Ford, PA
What's the current thought about using fish glue for the bridge?


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PostPosted: Fri Oct 20, 2017 7:43 am 
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Joined: Fri Mar 04, 2016 10:30 pm
Posts: 26
Glad you asked this question. I am sorry I don't have an answer but would also like to know. I know that there is plenty of thoughts and opinions on glue choice for the critical components. On a test I did in my shop I found that fish glue seemed to be really hard when it was dry compared to titebond. This makes me think it is an excellent choice for braces and as John puts it, "sonic components". What I did notice during my test was that fish glue was easily softened with moisture. This makes me wonder if a guitar is subjected to frequent changes in humidity (common for me as I live near the equator in the tropics) is it likely that the fish glue joints will eventually break down?

I don't mean to hijack your thread but would love to know the pros and cons. Certainly a good question, would it be a great choice for the bridge?

Cheers

Curtis


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PostPosted: Fri Oct 20, 2017 7:52 am 
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Joined: Mon Jul 28, 2014 7:50 am
Posts: 424
Location: Chadds Ford, PA
No hijacking worries at all. Curtis, I think you nailed it. (or glued it). Fish glue dries really hard and from all reports softens easily with water. Since a hygroscopic property is a mixed blessing, it might not be the right choice. I'm going to use it today, though, and think I will seal the exposed joint with shellac as a preventive. In any case the whole guitar has been assembled with Nemo, so this might be a moot worry. ;-)


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PostPosted: Fri Oct 20, 2017 9:26 am 
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Joined: Sun Aug 22, 2010 5:02 pm
Posts: 181
I use fish glue for all my bridges. I only had 1 issue with a bridge lifting, and it was my fault (didn't clamp well). John shows how to fix that in one of the youtube videos when using fish glue.

Glenn


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PostPosted: Fri Oct 20, 2017 10:14 am 
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Joined: Mon Jul 28, 2014 7:50 am
Posts: 424
Location: Chadds Ford, PA
Thanks, Glenn, that is reassuring. Just finished. Love the open time. I needed to reposition the clamps or I would have had a noticeable gap and the fish glue made that no-stress. Cleanup is really easy too. Wish the ibex clamps cleared the x-braces better.


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PostPosted: Fri Oct 20, 2017 6:30 pm 
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Joined: Sun Mar 09, 2014 8:13 pm
Posts: 1309
I've used fish glue and hot hide glue. Both are excellent for bridge gluing. Make sure that it's within its shelf life. According to Stewmac, it has an almost indefinite shelf life if it's kept refrigerated, but bring it to room temp to use. I like to use it within 6 months.


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PostPosted: Fri Oct 20, 2017 8:40 pm 
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Joined: Fri Mar 03, 2006 7:09 pm
Posts: 5419
Location: Hegins, Pa
HHG or Fish is what I use
I do allow 12 hr clamp time
if your using torrified I allow 24 hr

_________________
John Hall
Blues Creek Guitars Inc
Authorized CF Martin Repair Center
Board of Directors of Association of Stringed Instrument Artisans
http://www.bluescreekguitars.com


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