Pool light niche conduit sealant

Light fixture replacement and conduit sealant

  • Drain 5,500 gal to get below the light niche and silicon conduit?

  • Don’t drain any water and use pool putty?

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Apr 5, 2020
Central Florida
I’m getting ready to install a new pool fixture; I have 2 options.
1)Drain 5,500 gallons so I have dry access to the niche 2’ down and use silicone to seal the conduit on the back of the niche.
2) use pool putty under water on the conduit.

What’s the general consensus on which would be the way to go?

I have no experience with pool putty so I’m a little hesitant of trusting it. This pool light has given me enough trouble thus far to get to this point.