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Orion · 03-24-2015, 07:37 AM

Doing the math, considering the displacement of water, 1000 lbs of concrete weighs 587 lbs in the water and two 300 lb granite blocks weigh 379 lbs.

03-24-2015, 07:37 AM	#10
Orion Senior Member Join Date: Feb 2003 Location: MA Posts: 914 Thanks: 602 Thanked 193 Times in 91 Posts	weight in water Doing the math, considering the displacement of water, 1000 lbs of concrete weighs 587 lbs in the water and two 300 lb granite blocks weigh 379 lbs.