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How long do the effects of toxic building materials take to manifest in the fish?

This is a discussion on How long do the effects of toxic building materials take to manifest in the fish? within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> What are the chances of getting you to post a pic? How about a visual so I can wrap my mind around what you ...

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How long do the effects of toxic building materials take to manifest in the fish?
Old 07-17-2010, 09:35 PM   #11
 
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What are the chances of getting you to post a pic? How about a visual so I can wrap my mind around what you guys are talking about?? I'm trying to follow what everyone is talking about but I got lost.
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Old 07-17-2010, 10:29 PM   #12
 
Yeah, I could give you a close up of the seal when I get my laptop working again (burnt out HDD- and I don't have a card reader on my desktop)!

But I have some older pics from when I first assembled the tank and when I first put in the oil, if those help you.

No close ups of the seal though =\ (no seal even in the first pic- that was the day after I got all the walls together and stuff)
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Old 07-17-2010, 10:58 PM   #13
 
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Aw, now I "get it". Pretty wild looking. Thanks.
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Old 07-18-2010, 05:18 AM   #14
 
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According to this page...

http://www.aquarium-pond-answers.com...-silicone.html

...it seems as though, if there was even the tiniest way for oil to get "under" the sealant, it would work its way in and cause the silicone to come off the surface. Also, it sounds like the silicone was bound to fail eventually as apparently it doesn't adhere very well to acrylic or other plastics (I only have glass tanks so I didn't know about this). So, it looks like you'll need to use some sort of sealant other than silicone. As for what to use...beats me!

As for the white clouds, they are fairly hardy fish. However, when you hear people talk about "starter fish" what they're usually talking about is the ability of that species to survive the ammonia and nitrite poisoning that the fish must go through if you cycle with fish in the tank. Because many (probably most) new aquarists don't read about the aquarium cycle before starting, they're unaware of the cycle so think it's necessary to start with these "starter fish." However, if you do a fishless cycle or have a heavily planted tank, you should be able to stock all but the most finicky of species once the cycle is complete. White clouds also aren't quite as active swimmers as danios, which swim around at high speed pretty much all the time and therefore need a fair bit of swimming room. White clouds do better in smaller spaces.

Last edited by iamntbatman; 07-18-2010 at 05:22 AM..
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Old 07-18-2010, 12:47 PM   #15
 
Aw crap. That's why I don't like Orchard Supply Hardware- they explicitly told me that it would bond to the acrylic just fine.

Well ok, then. Looks like I'll be using that epoxy.

What about polyurethane? Someone on yahoo answers suggested that, but I don't have a lot of experience with polymers in general, to be honest.
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Old 07-19-2010, 04:19 AM   #16
 
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Me neither. I'm old school (glass + silicone) so I can't help you out with that one, but it makes sense that one polymer would bind well with another.
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Old 07-19-2010, 10:16 AM   #17
 
Well, then that brings me back to the whole toxicity thing: How long would it take for me to know if a sealant is toxic to fish (presuming that there is no mention of it in the documentation)?
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Old 07-19-2010, 10:39 AM   #18
 
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Quote:
Originally Posted by Robanada View Post
Well, then that brings me back to the whole toxicity thing: How long would it take for me to know if a sealant is toxic to fish (presuming that there is no mention of it in the documentation)?
this is why i suggested to use epoxy for a seal first, let it cure completely and then seal over that with a pure silicon so its fish safe.
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Old 07-19-2010, 03:16 PM   #19
 
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Originally Posted by onefish2fish View Post
this is why i suggested to use epoxy for a seal first, let it cure completely and then seal over that with a pure silicon so its fish safe.
But the silicone won't bind to the acrylic, so the water will still come into contact with the epoxy (or whatever is underneath), and solve the toxins?
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Old 07-19-2010, 04:12 PM   #20
 
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ive used the silicon to mount acrylic baffles in a glass tank sump. granted the baffles ( just sheets of acrylic to make "walls" ) prob. wouldnt hold much of anything ( they did hold back water, and i was able to make them water tight ) this is why i say glue it up with the epoxy construction wise, then just use the silicon as a seal over the dried/cured epoxy. the epoxy is what will hold it together, not the silicon.. the silicon is just keeping the water from touching any bad chemicals in the epoxy. hope that makes sense.. and works, dont see why i wouldnt.
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