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					Originally Posted by  Prariecanuck
					 
				 
				It's 15 top to bottom and 36 front to back I could go 20inch top to bottom but was thinking rimless at 15 would look great I love the shallow tank look 
			
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 I took a tape and held it at 15 on my seven foot tank.
I think you will find  20 will look better. Pm me your email and I will send you a pic of mine and one with 5 in covered