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View Full Version : cleaning a used tank?



Stretch-1
01-29-2007, 02:38 PM
I recently bought a used tank and it is covered in some white calcium stuff on the inside. It really needs to be cleaned. what is the best way to clean it off and have it ready for fish?

Dragonkeeper
01-29-2007, 03:08 PM
Hot water and a good scrubbie pad, or razorblade has worked for me on my glass aquariums. I've also heard that hot water and vinegar works.

J-Aqua
01-29-2007, 03:31 PM
I wouldn't use anything besides hot water. Just incase you forget to clean it off real well. Get a "sponge on a stick" and boil some water and go to town :D

Glaive
01-29-2007, 05:13 PM
Vinegar or lemon juice if needed.

Stretch-1
01-29-2007, 08:12 PM
I just bought a used 125 gallon tank this past weekend and i started inspecing it closely tonight and I am worried about it leaking. The previous owner swore it holds water fine, but i need some opinions. I am thinking about resealing it at least. The bottom also looks to be two pieces of glass siliconed together because the bottom is very milky looking and it is not on the outside or the inside of the tank, SO I am assuming it is inbetween two pieces of glass. The previous owner definatly scraped alot because they scraped the silicone alot. I have taken some pics of where you can see how the razorblade went into the silicone along the edges. I need some opinions on whether or not I should reseal, and if the chip will be a problem. Also will the bottom being two pieces of glass together be a problem and not be as strong?

Here is where he scraped into the silicone.
http://www.cichlidforums.com/postimages/2007-01-29/178212-001.jpg

Here is where the silicone looks almost like it is decaying or something.
http://www.cichlidforums.com/postimages/2007-01-29/178212-002.jpg
http://www.cichlidforums.com/postimages/2007-01-29/178212-003.jpg

Here is a chip on the edge
http://www.cichlidforums.com/postimages/2007-01-29/178212-004.jpg

Here is an overall of the tank. Maybe you can see how the bottom is milky looking.
http://www.cichlidforums.com/postimages/2007-01-29/178212-005.jpg

Glaive
01-29-2007, 09:27 PM
Mold underneath fill and leak test for a week, mine has some and its fine.

Stretch-1
01-29-2007, 09:54 PM
so I shouldn't just go ahead and reseal to be safe? I would like to clean up that mold on the corners. I don't like the way it looks.

Glaive
01-30-2007, 04:59 AM
Then strip and reseal for sure, I was merely mentioning that if it held water it was good to go. If it bothers you then definitely reseal, that way you can enjoy the tank.

Stretch-1
01-30-2007, 08:25 AM
the bottom silicone looks good. Is there a way to reseal the sides and leave the bottom? or would it be better to reseal the entire thing?

RustyNut
01-30-2007, 09:55 AM
I actually think you are probably OK as is.... I don't see anything that is overly concerning....

If your re-sealing to clean up the appearance go ahead, but if its holding water those imperfections are pretty minor.

Stretch-1
01-30-2007, 10:28 AM
I think i'm gonna go ahead and reseal just to be safe and to clean it up. My question now is, how many tube of silicone will I need for a 125 gallon tank?

RustyNut
01-30-2007, 04:19 PM
One tube should do for a basic reseal.