3M Scotchcast Potting Kit 2136 is a safety-tested alternative to rigid corrosion-resistant metal conduit. The kit contains all the materials required to reliably encapsulate the No. 8 AWG ground connection in an underwater wet-niche fixture. Meets NEC requirements to allow the use of rigid nonmetallic conduit in the installation of wet-niche underwater lighting fixtures.
It's tough, yet flexbile, and is available in a unique closed mixing pouch for easy mixing and pouring. It's an excellent multi-purpose moisture sealing resin.