How do you close holes drilled in the bottom of an acrylic tank?

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I have a question, I have an opportunity to get a free 180 gallon drilled acrylic tank. The only issue is someone had drilled out the back bottom section, between back panel and bottom panel to make a tray slide for a bird cage. Can this be fixed or not worth the effort. (see pic below). Want to know if worth getting and fixing so can use. Will be at bottom of tank and could make in back so wouldn't really show.

View attachment 1173227

You'd have to patch in a new piece or replace the entire pane of acrylic.
 
You'd have to patch in a new piece or replace the entire pane of acrylic.
OK, as long as I patch it in well enough, the tank should be solid and good to fill up and use for saltwater? Just concerned being that it is at the bottom of the tank.
 
OK, as long as I patch it in well enough, the tank should be solid and good to fill up and use for saltwater? Just concerned being that it is at the bottom of the tank.

Being that it is acrylic, you could. I would get prices on acrylic and weigh the risks of whether or not you trust it. In my area, you can get a 180 for around $400, so it wouldn't be worth it to me.
 
I have a question, I have an opportunity to get a free 180 gallon drilled acrylic tank. The only issue is someone had drilled out the back bottom section, between back panel and bottom panel to make a tray slide for a bird cage. Can this be fixed or not worth the effort. (see pic below). Want to know if worth getting and fixing so can use. Will be at bottom of tank and could make in back so wouldn't really show.

View attachment 1173227


youd need a pint of weld on #40 $35... a patch the thickness of material to place on the inside for maybe $20-30 and ur good to go. glue the patch on the inside of the tank so it overlaps the material a bit. once that patch is on use the remainder of your glue to go over the inside seal again...and again on the outside. Id take it lol, but im very well versed in acrylics, Have weld on #40 on hand at all times and can buy acrylic scrap locally for $1-2 lb. Def. plausible to fix it and not worry about its integrity with the patch glued on properly.
 
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OK, as long as I patch it in well enough, the tank should be solid and good to fill up and use for saltwater? Just concerned being that it is at the bottom of the tank.
If it's free there is no harm in taking it. But before attempting it I'd study up on the massive acrylics thread on reefcentral.
 
youd need a pint of weld on #40 $35... a patch the thickness of material to place on the inside for maybe $20-30 and ur good to go. glue the patch on the inside of the tank so it overlaps the material a bit. once that patch is on use the remainder of your glue to go over the inside seal again...and again on the outside. Id take it lol, but im very well versed in acrylics, Have weld on #40 on hand at all times and can buy acrylic scrap locally for $1-2 lb. Def. plausible to fix it and not worry about its integrity with the patch glued on properly.

So if I ever have an issue with acrylic tanks I'm assuming you are a guy to talk to?
 
So if I ever have an issue with acrylic tanks I'm assuming you are a guy to talk to?

Wednesday is a great resource on working with acrylic.
 
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So if I ever have an issue with acrylic tanks I'm assuming you are a guy to talk to?

Chances are i can usually always offer advice/help/personal experience. Got my "degree" in acrylics by buying almost all my tanks broken...fixing them... then fixing them again when i didnt fix them right from the start. Also build them from scratch when i can collect enough scrap lol... I use weld-on #40 exclusievly these days, best acrylic glue on the market. its used by most mfg these days also. Heres a pic of a "frag" type tank i just built for my axolotl using 1" acrylic scrap and weld-on #40... wanted 2 learn rounded edges/polishing/buffing as well as the glueing process with a 2 part epoxy (#40) as used in larger tanks.

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Very nice tank. I'm starting to think lugging around the old glass tanks is to much of a pain I'm looking into acrylic tanks that need to be fixed aswell so I might be asking some questions soon.
 
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