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I have not heard this recommendation before but your top speed with out plaining will be between 1.28 and 1.35 times the square route of your water length. Because a wider beam is more stable it has an
The product is copper color as the grains of copper protrude though the Teflon to keep growth away. The copper will oxidize over time and become darker. We ship UPS and there is not danger of freezing

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