NEED HELP - Acrylic CRAZING FIX.

Puffpuffdavis

New member
Someone please advise me on the best way I should handle repairing this 110gal acrylic tank.

i really need some help understanding what I need to do in order to clear up this crazing. I got the tank of OfferUp and knew It would be a project.

In the first picture I assume the crazing was from a heater being put on the inside from the circular suction markings. Maybe I’m wrong. As you can see I already tried to buff it out with some fine wet sandpaper from the inside but it didn’t seem like it was working so before moving any further I wanted to get a second opinion.

The other two pictures are on the other side of the tank and have no idea what they could be from besides stress.

Not an expert by all means with acrylic. Please help.
 

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I'd agree that it looks like stress; zooming in suggests what look like many fine cracks in the surface that I would say are not coming out. If you can live with it, fine, but I'd fill it up in an area with good drainage and watch for any signs of leak or further cracking over a period of several weeks.
 
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