05-03-2016, 10:28 AM
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#10
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Senior Dragon
Join Date: May 2002
Posts: 4,048
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i was informed i had placed the media upside down ... apparantly the surface with the circular depressions is meant to be at the bottom and not facing the top as it was designed that way for optimal flow rate through the media. thanks for the correction 
Additionally i would strongly recommend not using the 4 plastic risers as there's the nagging thought that it'll cause the block to break in the long run due to the weight/pressure not being evenly distributed. i doubt it'll happen within 1 or 2 years, but who knows what can happen in 3 or 5 or 7 years ?
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