Resealing a 220 gallon tank I just bought

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redlegsmlb

redlegsmlb

Jack Dempsey
MFK Member
Jul 14, 2015
28
97
31
38
Pottstown, Pa
Hey Everyone,
I have a few questions in regards to this huge daunting task I am about to begin. I just bought a used 220 gallon tank, my first BIG tank, and knew I had reseal it. I looked up several different forums and watched several videos on how to reseal a tank before I picked this thing up. However, I am now under the impression that resealing a larger tank isn't as easy as resealing something smaller.
There are several different places a read that said, resealing a 200+ gallon tank will most likely end up in a blow out, or at minimum will keep reopening the seals. If I continue down this path of wanting to reseal this tank I want to get the best silicone I can, preferably a black one.
What are your thoughts on this massive project I have gotten myself into?
 
Looking into it also. Had a question about Rtv 500 bc I can get it locally, but didn't get an answer yet.
 
redlegsmlb said:
Hey Everyone,
I have a few questions in regards to this huge daunting task I am about to begin. I just bought a used 220 gallon tank, my first BIG tank, and knew I had reseal it. I looked up several different forums and watched several videos on how to reseal a tank before I picked this thing up. However, I am now under the impression that resealing a larger tank isn't as easy as resealing something smaller.
There are several different places a read that said, resealing a 200+ gallon tank will most likely end up in a blow out, or at minimum will keep reopening the seals. If I continue down this path of wanting to reseal this tank I want to get the best silicone I can, preferably a black one.
What are your thoughts on this massive project I have gotten myself into?
Click to expand...
The principle of re-sealing a large tank is exactly the same as doing that of a small tank. Ensure that the glass surfaces are as clean as possible (I usually clean them with methylated spirits, which evaporates quickly and doesn't leave any residue). Take your time and above all give the silicone adequate time to cure. In the UK, we generally allow 1 day curing time for each mm of glass thickness, so a 10mm glass tank would be left for 10 days before putting it into use.
 
windsor said:
The principle of re-sealing a large tank is exactly the same as doing that of a small tank. Ensure that the glass surfaces are as clean as possible (I usually clean them with methylated spirits, which evaporates quickly and doesn't leave any residue). Take your time and above all give the silicone adequate time to cure. In the UK, we generally allow 1 day curing time for each mm of glass thickness, so a 10mm glass tank would be left for 10 days before putting it into use.
Click to expand...
Thanks for the input. The plan was to let it cure for about 2 weeks before I tested it. I'm not in any rush.
 
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