How does underwater concrete work?

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Five Star cement is what most commercial divers use for underwater repairs. However standard pool cement with additional cement not marble dust can be used by mixing about a1/4 cup of calcium chloride prils to a gallon of water to make the cement cure fast underwater. Cement pigment can be used to blend colors.

JohnDoe-idhi
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Thank you so much for your videos and even more your website. You answered a ton of questions I have had for a long time. I really appreciate it! Also, I really liked the pool boy blues song.

bjhenderson
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So would this be the same kind of concrete they're using to do the windmills underwater

francesco
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I have a pond that is lined with EPDM and because of its shape, I have some wrinkles underwater that are damaged allowing a slow leak. Which specific product can I use for me to dive down and patch the leak?

MichaelWilliams-pxdq
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So... Some facts about underwater concrete. Not how underwater concrete works.

kronk
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ridiculous, i wanted to know how it was made

stephenfoster