Basic Tank Sizes and Weights

[Lady Hobbs]

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These weights do not account for additional weight of rocks and wood so must also be considered.

[Drumachine09]

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These weights do not account for additional weight of rocks and wood so must also be considered.

Actually a gallon of water weighs 8.34 lbs. In the smaller tanks, they try to say that a gallon =10 pounds, which is over shooting it quite a bit.

[cocoa_pleco]

8.37 to be exact:ezpi_wink1:

[Drumachine09]

8.37 to be exact:ezpi_wink1:

Theres tons of figures. People say it depends on the mineral content and the temperature. It is somewhere in the ball park of 3.3something.

[Lady Hobbs]

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Here's another for comparison.

[cocoa_pleco]

Its 8.37 at 4 degrees celcius

[TracyUK]

2100 without the rocks, sand etc, and thats 7 gallons smaller than mine! EEEKKK!

[xoolooxunny]

Mine probly comes out to be somewhere in the 900lbs area, no worries, its in the basement!thumbs2:

[Lady Hobbs]

Rocks, wood, decorations=less water so altho they add the weight, they still deduct from water weight.

[diana54]

i need some help..... please with driftwood..... and if a betta and goldfish can live together.... it is a 65 gallon tank.... thanks diana

[Lady Hobbs]

gold fish do not belong with warm water fish. They require lower temps.

You didn't mention your problem with driftwood.

[Fishesses]

In wastewater and water treatment, we call 1 gallon of water 8.34 pounds and say 1 cubic foot is 7.48 gallons. We use these values for various calculations ranging well into millions of gallons. Those numbers are so well accepted that they are on the D, C, B, and A license tests.

I'm an Op II with a C in wastewater. :22:

[burntfish]

They have the weight of water at 9.88, is that to take in some rock and gravel maybe.

[Omi256]

In the metric system, 1 litre of water weighs exactly 1 kilogram for all practical purposes.