Hot glue and aquariums - Tropical Fish Keeping - Aquarium fish care and resources

 
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post #1 of 10 Old 01-24-2009, 11:02 AM Thread Starter
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Hot glue and aquariums

Hey guys,

I plan on constucting my own artificial coral reef system with synthetic live rock and corals for a freshwater tank. My question is: is using a hot glue gun to assemble it safe for the aquarium? I really want to use that over silicone because it's stronger bond, and it hardens much faster.

Thanks for any input

10 Gallon, saltwater themed, freshwater
------------------------------------------------------
5- Glow light Tetras
2-Angelicus loaches
2-Otocinculus


30 Gallon, saltwater themed, freshwater
---------------------------------------------------
6-Harlequin Rasbora
5-Black Neons
2-Bleeding harts
3-Cories
2-Queen Botias
8-Otos
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post #2 of 10 Old 01-24-2009, 11:13 AM
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Stronger bond? Silicone is much stronger, and stays together much longer. You don't see aquariums made of hot glue, right?

I have heard hot glue breaks down in water and can release chemicals into the water. There are plenty of other aquarium safe silicones out there as well.
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post #3 of 10 Old 01-24-2009, 11:18 AM
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I have used it to glue netting over large holes in the bottom of decoration. I had no problems with it. The glue is still holding strong after several months.
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post #4 of 10 Old 01-24-2009, 03:37 PM
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I build custom tanks and I don't think that hot glue will hold up to the pressure of any decent size tank, how big are you making this tank?
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post #5 of 10 Old 01-24-2009, 08:37 PM
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Quote:
Originally Posted by craigc119 View Post
I build custom tanks and I don't think that hot glue will hold up to the pressure of any decent size tank, how big are you making this tank?
he isnt talking about making a tank with the hot glue but rather making decorations.

super glue would work, you want cyanoacrylate which seems to work fine in marine systems so i dont see a problem in freshwater.
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post #6 of 10 Old 01-24-2009, 10:51 PM Thread Starter
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Thanks for the inputs.

10 Gallon, saltwater themed, freshwater
------------------------------------------------------
5- Glow light Tetras
2-Angelicus loaches
2-Otocinculus


30 Gallon, saltwater themed, freshwater
---------------------------------------------------
6-Harlequin Rasbora
5-Black Neons
2-Bleeding harts
3-Cories
2-Queen Botias
8-Otos
Neon1 is offline  
post #7 of 10 Old 01-31-2009, 12:33 PM
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use silicon for sure! I have heard the same thing cody did.

Changing my 30gallon freshwater tropical. Into a aggressive fish tank.
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post #8 of 10 Old 02-06-2009, 09:16 PM
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is the automotive clear silicn safe?? (permatex)
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post #9 of 10 Old 02-07-2009, 01:54 AM
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Quote:
Originally Posted by chris55 View Post
is the automotive clear silicn safe?? (permatex)

idk about all that.

the "safest silicone" you will find is aquarium silicone but that also comes with a price tag. next inline would be 100% silicon with NO added mildewcides or any other moldicides or chemicals.
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post #10 of 10 Old 05-09-2009, 08:12 AM
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hot glue might work long term, it might not, it might harm your fish but it might not. Bottom line is why reinvent the wheel? The world at large has been using silicon for these projects since the conception of the aquarium hobby.

We know it works and it works over the long haul. Go to an aquarium shop and buy a small tube with a screw on cap.

100% Silicons are getting much harder to come by in hardware stores and the like. They are being/have been phased out by most companies. You will find that the vast majority of stock is now latex or acrylic based/modified and the vast majority of the 100% silicon contains midicides. The true 100% products like GE Type 1 for Door and Windows you see in the stores is likely old stock and once gone will likely not reappear on the shelf.

I, like most commercial manufactuers, only use GE Commerical grade these days and it can be found in most larger aquarium shops for $10 to $14 a tube.

Yours Truly

Steve

WildExpressions.ca
Replicating Nature in Stone & Fur
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