Should I dismantle my tank?

  • Sosban Fach
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Sosban Fach created the topic: Should I dismantle my tank?

Hey guys,

So im moveing house and I figured it was a good oppotunity to re-seal my tank. The tank must be quite old as it appears the bottom panel has been re-sealed, possibly removed at some point. This is obvious because they used some black stuff and only ran round the bottom of the tank. the rest of the tank seals are transparent. The black seal is around the inside and the outside of the bottom panel edges.

The transparent seals up the side, back and front panels are in bad condition, not leaking yet, but the edges of the seal can easily be pulled away by my fingers.

Ive looked around and most resealing guides only re-seal the internal seals on the tank. There is of course a secound seal with all thanks that actually glues the panels together. I am guessing since this black stuff is on the inside and the outside the base has been removed, which means the structural at the bottom corners of the tank are not a single continuous seal.

So my question is. Firstly has anyone here ever fully dismantled there tank ino its seperate panels?

Secoundly should I dismantle the tank entirely and re-glue the panels back together, as well as the internal seals? Or should I just re-do the internal seals. I would go for it but my sev and oscar are being kept in a 45 us gal tank for the short term. I want to get them back into there 150 us gal tank asap. Im worried that if i dismantle the tank and re-assemble it. I could have leaks and have to re-do the tank, or worse structural problems if I dont get the tank square.

On the other hand The fish are only about 6 inches each so there are minor squabbles but nothing to serious. They could stay there for a couple of weeks if neccasary. I also dont know how long the structural seals will hold out?

Bear in mind I have never re-sealed a tank before.

Many thanks
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  • JasonR
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JasonR replied the topic: Should I dismantle my tank?

Re-building a tank is not a difficult process at all. Just have to be sure to be thorough in removing all old silicon and completely cleaning everything. Avoid significant air bubbles in the seals between the panes of glass, although a few minor ones here and there typically isn't a problem. I would say if you plan on messing with any of the silicon at all I would do a full re-build, especially since it has been worked on before. I had a tank once that had some work done on a bottom seal and I wanted to re-do the internal corner silicon. It ended up leaking a couple weeks later through that seal that had been worked on before.
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Rocksor replied the topic: Should I dismantle my tank?

So you want to remove the structural seal that glues the glass pieces together?

I would first try the reseal if you are uncertain it is the structural seal. If you are certain it is a structural seal, look at the links below.

oscarfishlover.com/forum/49--diy/267641-small-tank-build?limitstart=0

www.aquariumadvice.com/forums/f20/110-gallon-glass-aquarium-repair-110061.html
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  • Sosban Fach
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Sosban Fach replied the topic: Should I dismantle my tank?

No eBay APP ID défined in Kunena configurationIm a little nervous about it because those glass panes are heavy and will be difficult to manipulate/clamp down in short period of time. Espcially if im doing it on my own, which I suspect I will be.

If I screw this up my fish wont have anywhere to live.

Anyway I will make my decision once ive taken the internal seals off so I can see whats happened.

Can I use the same silicone for the structural seals? Ive bought 8 of these, each is 310ml will it be enough for a full tank re-build?



Im tempted to get another 8 because once Ive started the job I can't stop to re-supply.
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JasonR replied the topic: Should I dismantle my tank?

Yup you can use the same stuff for the structural seals and 8 will be more than enough. Even if it wasn't you will do the structural seals first and let them cure fully then do the inside corners so you'd have time to order more if needed. You'd def want a helper to do the full re-build. If you find that the seals in between the panes of glass haven't been messed with you would be ok to just do the inside corners, but I suspect it possibly leaked before.
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Sosban Fach replied the topic: Should I dismantle my tank?

Doing the structural seals and the internal seals seperatly would make it alot easier.

Would it be a good idea to do a water test between finishing the structural seals and the internal seals.

What I suspect Im going to do it just do the internal seals. It may spring a leak in a few weeks/months/years, but by then I would have atleast done my seals once and be better at it the secound time round.

It would also give me a bit of time whilst the fish are in the back in the big tank. I could dismantle and re-build the smaller spare tank to get a bit more practice.

On a seperate note ive almost finished the stand for the larger tank; just need to coat some timber in preservative.
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JasonR replied the topic: Should I dismantle my tank?

Yeah you can do a water test after you've completed the structural seals. The internal corner seals just protect the structural seals from damage.

If you are gonna just do the internals I would lay the silicone in very thick and let it cure for at least 7 days.


Look forward to seeing the finished stand!
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Rocksor replied the topic: Should I dismantle my tank?

large tank build from a member

alejudo wrote: We worked like a team with my family, we love fish,that day we were so tired, we arrived home destroyed from work but, there are stamina for this kind of job.
The tank measures are, 2 metres x 50cm x 50cm.





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Sosban Fach replied the topic: Should I dismantle my tank?

That tank looks awesome. I hope one day I will have the money to build one. Im thinking a 10 footer, but dont tell the misses.

The stand is very basic just a black steel frame really. Its in the new house ill take photos tomorrow.
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Nina_W replied the topic: Should I dismantle my tank?

They've got you on the right track - I resealed Wicket's tank. I really cannot encourage you enough to find a second pair of hands that are both patient and fairly strong.
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