This worked perfectly!Come in 1/2" and 3/4" Check what size you need.
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Commercial Electric 1/2 in. Metallic Weatherproof Box Closure Plug, Gray (4-Pack) WCP450G - The Home Depot
Provide an essential and ultimate addition to your electrical application with the help of this Commercial Electric Gray Weatherproof Closure Plugs.www.homedepot.com
I measured the piece on there from the top and it was 3/4” so I bought the 3/4” piece at HD. Came home and it was too big? I measured the actual piece I bought and it’s 1”? Not sure who does measurements on electrical stuff but that don’t add up ha!
Went back and exchanged them for the 1/2” piece which is actually 3/4”. I guess the threads are where they measure even though that doesn’t seem to measure the same either.
In any case itworked. One more small thing done.
Vacuumed today. Water crystal clear
FC 5 (added 27oz to get back to 7) basically been adding 2-2.5 ppm each day depending on weather.
CC 0
PH 7.5
TA 70
CH 60
CYA 40