How serious is crazing on an acrylic tank?

freeskier

Gambusia
MFK Member
Oct 29, 2007
222
0
16
NJ
Saw this ad on Craigslist, tank looks great but dunno about crazing; never owned acrylic before.


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I'm selling my five month old Tenecor Acrylic Aquarium. It's a custom size: 74x27x27 and comes with an oak stand finished in black stain. Also comes with tops, but no equipment.

Brand new this sucker cost almost 3k and like I said, it's only 5 months old.

But, the back left seam has developed some crazing. There are lots of different opinions on crazing, but most people believe it's pretty normal, though not ideal. But I wanted to reinforce that corner before I refilled it with water. Problem is I needed somewhere to put the fish. So I got a 180g and now this 240 isn't really needed.

So I'm selling it for dirt cheap at $600 (with stand). That price is low because you'll either A) live with the crazing or B) need to get it reinforced (either resealed or possibly adding a piece of acrylic etc.) Either way, I really just want it out of my tiny apartment.

Email for photos and any additional info. It's empty now but I can fill it up if/when you want to come by and check it out.

5Ne5Ia5Fb3F13L13N4c37d400342aa5ff1551.jpg

5Ne5Ia5Fb3F13L13N4c37d400342aa5ff1551.jpg
 

dxdx

Fire Eel
MFK Member
Jan 26, 2010
1,111
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NJ, USA
If its 5 months old then it was made right before they went out of business. I would stay far away....
 

Chromobotia

Fire Eel
MFK Member
Aug 12, 2008
1,136
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Southeastern PA
Unfortunately crazing is normal in acrylic tanks. As mentioned above, Tenecor had tons of issues and subsequently went out of business. Even though, $600 sounds dirt cheap considering it comes with a cabinet stand and top. If it was made with proper acrylic thinkness for its size, I would be tempted to jump on it.

My acrylic tank is a few years old and I've noticed some crazing on the edges as well.
 

freeskier

Gambusia
MFK Member
Oct 29, 2007
222
0
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NJ
I'm more concerned with safety issues than aesthetics. Is it repairable? What would proper thickness be for its size?
 

Chromobotia

Fire Eel
MFK Member
Aug 12, 2008
1,136
9
68
Southeastern PA
I have a larger Tenecor tank that has 1 inch thick sides. If the tank your looking at is 3/4 inch thick than I would say that was good.

Crazing can't be repaired. Just check the corner of the tank. If you see what looks like little lighting bolts inside the acrylic, that's crazing. If you see a more defined white patch or solid white area, then the acrylic bond is coming apart and that would be very bad.
 

Kpokchies

Feeder Fish
May 8, 2022
2
0
1
29
Hey everyone I have some questions after coming across this thread

I have this on a tank I just set up very small nothing like any pictures I see on other posts

First time acrylic tank owner about 180gallons salt

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FJB

Blue Tier VIP
MFK Member
Dec 15, 2017
1,941
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Philadelphia, PA
As suggested above, if it is made of panels at least 3/4” thick, and if the crazing does not affect much the prime viewing areas (mainly front panel), them I would definitely go for it. I would still try to haggle it lower.
if the stand is good (real wood, well built) then the more desirable. I would reseal it regardless, adding triangular inserts. Even if it doesn’t look like a good display tank (i e living room or similar) it is still possibly a good deal for other purposes (fishroom, basement, etc). Acrylic inserts + enough Weldon 40 would, together with the asking price are low compared to the cost of tank plus good stand plus covers.
 

fishguy1978

Redtail Catfish
MFK Member
Mar 30, 2020
2,459
4,059
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Washington
All my acrylic tanks have crazing. If the price is reasonable to you go for it.
 
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