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  #1  
Old 12/17/2007, 02:10 PM
zylumn zylumn is offline
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# of gal of pentagon tank

I purchased a used pentagon tank and was wondering the formula for figuring out the total gallons
25x25x25x25x25x24h
Thanks
Kevin
  #2  
Old 12/17/2007, 02:16 PM
kzickovich kzickovich is offline
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WELL ON A REGULAR TANK IT'S LENGHT X WIDTH X DEPTH / 138 NOT SURE ON PENTAGON
  #3  
Old 12/17/2007, 02:22 PM
papagimp papagimp is offline
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I'm not sure either, but I bet it's over a 40g from the looks of it. My 42g Hex is roughly 21" tall and each pane is as wide as a single biowheel penquin filter. (the next to the smallest one). Sure that doesn't help much though
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  #4  
Old 12/17/2007, 11:15 PM
Lotus99 Lotus99 is offline
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I think it's 111 gallons, based on this calculator:

http://www.onlineconversion.com/obje...me_polygon.htm and divided by 231
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  #5  
Old 12/17/2007, 11:41 PM
zylumn zylumn is offline
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Thank you Lotus99 111 gal. it is.

Kevin
  #6  
Old 12/18/2007, 12:01 AM
Lotus99 Lotus99 is offline
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I was assuming inches, but now I'm wondering....

Duh, I should have thought about that.
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  #7  
Old 12/18/2007, 12:52 AM
coast2coast7390 coast2coast7390 is offline
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it sounds bigger than 40...i think 111 is a good estimate
  #8  
Old 12/18/2007, 01:35 AM
zylumn zylumn is offline
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My sump for it is a cube 24x24x24 and it would probably just fit inside of it. I was told it was a 130 but was questioning that. I am just setting it up.
Thanks all for the help.
kevin
  #9  
Old 12/18/2007, 01:44 AM
zylumn zylumn is offline
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Lotus99 if it wasn't inches then it would hold 193,050 gallons of water. Wooohhhh LOL $5,000.00 dollars in salt for a 10% weekly water change. LOL But wow could you have some fish...

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