Should I be concerned? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 7 Old 11-08-2013, 11:16 AM Thread Starter
Question Should I be concerned?

So I picked up this 84g long (72"x15"x18") used tank on craigslist.

I purchased it wet, we drained it together and I brought it home and filled it back up with water. The tank is perfectly level across all six feet.

Its been a few years since I've kept fish, and even then I was a newbie. So, I didn't take notice at the time that the silicone has mold growing on it. (I'm pretty sure its not algae, its growing underneath the silicone.)

In one particular spot it has reached the seam of the glass.

I have no leaks right now, but I am stressing out that I may spring a leak (after coming across a horrifying youtube video in which someones tank was leaking at the seam.)

A big part of my worry is coming from the fact that the tank is upstairs and the damage would be devastating if the tank leaked out even half of the 84 gallons of water on the wall to wall carpeting and the finished dry wall ceiling downstairs.

So...... What I am asking is and looking for is not a simple "I would reseal it for peace of mind, etc" although that would be the best course of action.. I just cant imagine doing that for at least the next few months, I just added stock to the tank and I finally have it set up the way I want it, not to mention I am swamped at work. I would like to avois that course of action at all cost presently.

I want to know how many of you have:
1) Had mold growing in the seams like in the picture I've attached, and your experiences.
2) Who has ACTUALLY experienced a leak in the seam of their tank and a bit of insight as the why this may have happened.
#) Lastly if you HAD to place a bet on if my tank is going to randomly spring a leak, what would you bet your money on? Leak vs. no leak?

Haha, I know I'm over thinking this a bit... I am really just hoping for some peace of mind here.



84 Custom (72"x15"x18") - 6" Payara "Aramis"
75 - *Restocking Soon*
30 Long - 7" Pleco "Denzel", 3" Flowerhorn "Tyson"
10 QT - Breeding Pair Jack Dempsey (For Sale)
2.5 - Male King Betta - "Jax"
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post #2 of 7 Old 11-08-2013, 11:16 AM Thread Starter
pic is coming



84 Custom (72"x15"x18") - 6" Payara "Aramis"
75 - *Restocking Soon*
30 Long - 7" Pleco "Denzel", 3" Flowerhorn "Tyson"
10 QT - Breeding Pair Jack Dempsey (For Sale)
2.5 - Male King Betta - "Jax"
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post #3 of 7 Old 11-08-2013, 11:40 AM
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1) If mold, mildew, or algae is growing under the silicone, water is getting in there to keep it going.
2) If it bothers you enough that you are worrying about it, you should do something about it for your own piece of mind if nothing else
3) If you don't reseal and it fails, you're going to be sooooooo mad at yourself
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post #4 of 7 Old 11-08-2013, 11:47 AM Thread Starter


upside down..sorry

you can kind of see the spot I'm referring to about two inches above the tape measure.. does this look bad?



84 Custom (72"x15"x18") - 6" Payara "Aramis"
75 - *Restocking Soon*
30 Long - 7" Pleco "Denzel", 3" Flowerhorn "Tyson"
10 QT - Breeding Pair Jack Dempsey (For Sale)
2.5 - Male King Betta - "Jax"

Last edited by UncleEasy3000; 11-08-2013 at 11:49 AM.
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post #5 of 7 Old 11-08-2013, 03:54 PM
it does look kind of bad. if i was you id empty the tank and reseal the corner. if water is getting in there it may or may not become a large issue down the road. its a very large nice tank why rise it.
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post #6 of 7 Old 11-08-2013, 05:29 PM Thread Starter
Quote:
Originally Posted by rexpepper651 View Post
it does look kind of bad. if i was you id empty the tank and reseal the corner. if water is getting in there it may or may not become a large issue down the road. its a very large nice tank why rise it.
That is true.. Thank you for the suggestion.

As I mentioned in my first post, I'm wondering if anyone has ACTUALLY HAD a leak due to this.. I'm looking for personal experience with leaks on this one.
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84 Custom (72"x15"x18") - 6" Payara "Aramis"
75 - *Restocking Soon*
30 Long - 7" Pleco "Denzel", 3" Flowerhorn "Tyson"
10 QT - Breeding Pair Jack Dempsey (For Sale)
2.5 - Male King Betta - "Jax"
UncleEasy3000 is offline  
post #7 of 7 Old 11-09-2013, 02:03 AM
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I've seen mold under sealent likethat before on a 55 gal. I had no problems with the tank. If i had to bet my house one way or the other i would say,No cause for concern. PS. Awesome big tank... very nice
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