amount of gravel for a 150gal

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nfinit1

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Jan 12, 2003
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hello all

What is the formula for pounds of gravel per gallon???

I am going to setup a 150 gal tank with 2x96 watt Custom Sea Life
Low lights plants like anubias, and crypts??

How many bags of gravel will I need???
 
I've used this site in the past http://www.bestfish.com/tips/073098.html

To quickly estimate the amount of freshwater gravel required for an aquarium, simply multiple the aquarium's length (in inches) by it's width (in inches), then divide by ten (whacking off the last digit will suffice). The resulting number is the number of pounds of gravel that will cover the aquarium bottom to an average depth of two inches.

For example, a standard ten gallon tank is 20 inches long by 10 inches front to back. Multiplying the two numbers gives 200, then chopping off the last zero leaves 20 pounds of gravel, which does indeed cover about 2" on the bottom. A 55 gallon would be 48 x 13 = 624; chopping off the four leaves 62 pounds. If three inches of gravel is preferred (and that would probably look better in a large tank like the 55), add half again the amount (62 x 1.5 = 93 pounds for average three inches in the 55).
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at minimum 1 lb per gallon, but a common rule is 1.5 lbs\gallon....so a 60 gallon would have 90 lbs, a 10g = 15 lbs, 20g = 30 lbs...and so your 150 should have a minimum of 150 lbs, but 225 lbs of gravel should be used if you got the $$
 
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what about a sand substrate? less because of the great density or same rules still apply?
 
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