[Solved] LED light hub, water proof, submersible up to 1 foot under water [closed]

Arpan Asks: LED light hub, water proof, submersible up to 1 foot under water [closed]
I want to design a violet band LED light housing that will be submerged, no more than 1 foot, under water. The power supply will be electric from a source above the water surface and I want it to be waterproof (obviously). How shall I go about this project?

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