Re siliconing

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Chris helland
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Re siliconing

Post by Chris helland »

Just got this amazing plecotank and it will definitely be my summer project, but it needs to be re siliconed. And it’s a double bottom, glued together. Now there was moisture between the glasses that was glued together and it looks like it reacted with the silicone and created some sorth oil layer, or some greasy over the glass.
I’ve tried acetone, but it has no effect what so ever. Any tips on what might be effective?
-Chris
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Re: Re siliconing

Post by bekateen »

I've never seen a double paned bottom before. Is it just siliconed around the edges or are both layers glued together aling their entire surface contact? If the latter, I'd recommend trying a thin strong wire to saw between the two panes. I'm not sure it'll work, but otherwise I can't imagine how to attack this.

Good luck, Eric
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Re: Re siliconing

Post by Chris helland »

Image looks like this, it’s an optiwhite tank or what it was cald. It’s from a well known pleco keeper in Norway named Richard.

So it’s like a puzzle, with several small pieces glued together. It’s so the bottom can handle more friction I guess. I’ve split the tank in 2 with fishing line to split the tank. But I need to clean it to re silicone it. But I can’t get this layer of oil that on the glass. Acetone doesn’t work for some reason
-Chris
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Re: Re siliconing

Post by MarcW »

Are you able to post any pictures? It may help us figure out what's going on.

Eric I'd not seen that before until recently, but if you look in my fish room thread, you'll see my big tank has 3 panes on the base, I'm not certain why but the builders seemed to think it was needed!
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Re: Re siliconing

Post by MarcW »

I guess we posted at the same time! Something I've used to clean up pipes before solvent welding is MEK that may remove the film. It's methyl ethyl keytone I believe, it takes the surface off of pvc pipes, so it'd be worth a shot I think.
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Re: Re siliconing

Post by Chris helland »

Image

The tank when I first got it. It’s going to be an amazing tank

Image

The glass with the layer og olibased cover that I can’t remove. Not the best picture but
-Chris
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Re: Re siliconing

Post by Chris helland »

MarcW wrote: Sat Jun 01, 2019 10:47 pm I guess we posted at the same time! Something I've used to clean up pipes before solvent welding is MEK that may remove the film. It's methyl ethyl keytone I believe, it takes the surface off of pvc pipes, so it'd be worth a shot I think.
MEK? Never heard of that, I’ll look it
up
-Chris
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Re: Re siliconing

Post by bekateen »

MarcW wrote: Sat Jun 01, 2019 10:43 pmEric I'd not seen that before until recently, but if you look in my fish room thread, you'll see my big tank has 3 panes on the base, I'm not certain why but the builders seemed to think it was needed!
Thanks Marc. Yes it's alien to me.

Cheers, Eric
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Re: Re siliconing

Post by bekateen »

Does the double or triple paned bottom relate to the fact this is a rimless tank?
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Re: Re siliconing

Post by Chris helland »

No I don’t think so. The tank is only 480L but the glasses are 12mm thick, and the bottom is 24mm thick, I think it’s rly thick.

The lengths are 120cm 80cm 50cm
-Chris
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Re: Re siliconing

Post by Bas Pels »

Silicone will not dissolve, but you will want to have the double bottom watertight - that is, all glass panes will have to be separated and cleaned.

That will, ultimately, require a long and very thin knife, and yes, something to claen the stuf away.


But in case you could dissolve the stuff while the bottom is intact, there is still the questoion wheter you will want to use this bottom as it is now. I would think not.
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Re: Re siliconing

Post by Chris helland »

Im a aware of that, and all glasses have bin separated, they only problem is the layer of some oil based on it. Just tried some simple glass cleaner and it acutely removed it, can’t wrap my head around how that removes it, but the acetone didn’t.

The hole tank is in pieces. Changing front glass to get rid of all the scrapes on the front glass. Changing out some of the bottom pieces as I didn’t like they way they had done one of the corners. So the hole tank is coming apart and getting re assembled
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Re: Re siliconing

Post by Bas Pels »

Good the read everything is taken apart. I think I would try to remouve as much as possible without any chemicals - just paper-

Now I wonder you wrote `it acutely removed` - did you mean actually (surprisingly, it worked some) or did you really mean acutely (that is, very carefully). If it is the latter, you found your solvent.


When you want to dissolve something, the general rule is `alike dissolves alike`. there are lots of slovents such as aliphatic, aromatic, linear, hydrophile, hydrophobic - and yes, acetone is a rather odd melocule, which does not dissolve much. However, it dissolves both in water and in organic (alifatic) solvents, and water is even odder. So to us is seams rather universal, but it isn´t.
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Re: Re siliconing

Post by Chris helland »

My mistake, I ment actually. I’d never re silicone a tank without tearing apart. I’d actually never guess that normal spray for cleaning glass/windows would to the trick. Still using acetone before I re silicon it

Thanks for the help!
-Chris
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Re: Re siliconing

Post by Chris helland »

So I’ve just got the glass and it’s laminated two 6mm glasses together, so the question is will this hold this tank?
-Chris
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Re: Re siliconing

Post by Chris helland »

Image

Image

Some pictures
-Chris
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Re: Re siliconing

Post by Viktor Jarikov »

I don't know if you tried a surfactant before (soap, detergent), perhaps this was all that was needed, or the ammonia in the glass cleaner was needed. Hard to guess as this is more of a trial and error scenario. Sometimes an acid is needed, such as acetic or muriatic acid, other times a base, such as ammonia or baking soda, will do the trick. Yet other times it is a matter of hydrophilic versus hydrophobic or even other more specific interactions of functional groups and moieties within the solute and solvent molecules.

As for the laminated glass, I've never dealt with it. I don't know how it affects the mechanical properties. I imagine it depends on what's sandwiched between the two glass panes. Your laminate is still clear, so it's not silicone that's between the panes, I think. We live in a hurricane zone and the impact-resistant glass is popular here. Firefighters hate it - it is extremely, and I mean it, extremely hard to break. My understanding is such glass consists of layers laminated together.
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Re: Re siliconing

Post by Chris helland »

Thx I’ve borrowed some
Break cleaner from my dads workshop, let’s see if that dos the trick tomorrow.

As for the glass I’ve only had positive feedback on Facebook from multiple pages so I’m giving it a shot. And 12mm glass should be more then enough for an 480L tank.

Unfortunately the guy ho made the two parts for the bottom made them to long so me and my dad trimmed them down at his work shop. Used an angle grinder and water for cooling, it actually worked and we ended up grinding away 8mm on both the bottom glass pieces.

I’ll add som pictures:

Image
Image

All I need to do now is re build it and make the table, got some cheep doors from Ikea to make the table look a bit better
-Chris
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Re: Re siliconing

Post by Chris helland »

Just finished gluing the tank, some pictures from the proses.

Image

Image

Image

Forgot how big it is
-Chris
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Re: Re siliconing

Post by kvnbyl »

absolutely gorgeous tank, can't wait to see it filled with cats and maybe a c*****d or two!!
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