Baffles on a 40g breeder

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305phins

Candiru
MFK Member
Aug 25, 2010
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ZION
I have a 40g breeder as a sump for my 300. Does anyone know the length that the baffles should be that will fit perfect? its 18 inch wide so im guess a little less then that due to the thickness of the walls
 
but doesnt it have to fit the inside perfect? hoe can i measure inside wall to the other inside wall..
 
Measure the end glass from seam to seam.
 
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