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11/23/2007, 12:08 AM
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#1 |
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Registered Member
Join Date: Oct 2007
Posts: 317
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how to silicone acrylic?
ok i know silicone doesnt work well with acrylic but its in my sump... (i live in cali dont wanna pay 25 bux for weldon) i know to get GE 1 door and window.... how do you silicone acrylic? just some fat beads of it on each side or what?
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11/23/2007, 12:29 AM
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#2 |
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King of the white corals
 
Join Date: Jun 2006
Posts: 5,239
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yep...you got it......just build little walls an each side of it as well as to fill any gap in between the wall and your baffle
__________________
I like holding hands, snuggling, and long walks on the beach |
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11/23/2007, 12:35 AM
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#3 |
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Registered Member
Join Date: Oct 2007
Posts: 317
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ok i just wanted a second on this i tried it one time with cheap silicone from petsmart and it was to hard to squeeze it out... this time around ill get a caulking gun
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11/23/2007, 01:45 AM
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#4 |
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Moved On
Join Date: Jul 2007
Location: Bellevue,NE
Posts: 1,058
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good luck hope it works out. and leak free.
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11/23/2007, 10:13 AM
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#5 |
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Registered Member
Join Date: Sep 2004
Location: michigan
Posts: 1,577
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I used big beads on each side of the acrylic in my 90g sump. It's a 17"x20" peice of acrylic and I have had water filled up on one side and no water on the other and it has held like a champ.
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11/23/2007, 11:04 AM
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#6 |
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Premium Member
Join Date: Jan 2007
Location: New Jersey
Posts: 3,646
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I needed to scuff the acrylic with sand paper on the edges where the silicone goes in the past. Otherwise the silicone just peels off.
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11/23/2007, 12:03 PM
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#7 |
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Awaiting Email Confirmation
Join Date: Oct 2007
Location: San Francisco
Posts: 79
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I agree with Pmolan, silicone appears to stick well to acrylic but you can peel it right off if you pull on it. Either rough up the mating surface or better yet go with Weld-on 16. It's only a few bucks at plastic suppliers.
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11/23/2007, 12:55 PM
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#8 |
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Registered Member
Join Date: Nov 2005
Location: San Diego, CA
Posts: 14,655
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And if your tank bows after filling like most do the silicone will most likely fail (trust me, I'm pulling mine back out right now )
Do yourself a favor and do it right first time.
__________________
There's a fine line between owning your tank and your tank owning you! Current Tank Info: SCA 120g RR Starfire, Tunze silence 1073.02 return, 40g sump w/ fuge, SWC Extreme 160 cone skimmer,Geismann reflexx 4xT5, 2x Panorama Pro LED strips, Vortech MP40QD |
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