Meyer Jordan
Tadpole
- Joined
- Oct 10, 2014
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- Pensacola, Florida
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The 96" that you derived from counting the tiles corresponds with the greatest width (read length) that the OP originally provided. I would bet the farm that the averaging method as explained in the Penn State link was used when the measurements were taken (see post #27) This is the only way that I have done this (or heard of other contractors using) for all of the 20 years that I was in business. It provides for a quick on-site estimation without draining the customer's pond in order to use a meter.