You must remember to leave some leeway, as that formula is designed for large applications, such as in rivers, etc... In a smaller system, the water will be much more compressed into the small slot while wrapping around the corners of the space, this causes more of a problem with 8" than 50ft. Also, I would definetly shorten B as suggested on the page.
Thanks for the link on that formula, Mark!
Chris
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No more tanks  - Laying off the ReefCrack for awhile!
Cheers,
Chris
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