I just have a couple things to add.
Vaseline - bad idea. grease & glue don't mix.
Use a pvc primer - the purple stuff is just as good, you just have to be a little neater if you care about looks. Same applies to grey glue. Glue should be applied over the primer WHILE IT IS STILL WET - don't let the primer dry ! Remember to hold the fittings together for 1/2 a minute or so or they can push apart on you.
Use silicone on threaded connections - teflon tape by itself tends to weep over time.
Flex pvc uses the same fittings & primer, different glue
Don't get all anal about flow through tees and fittings - it is usually insignificant. Too small of piping is the real flow killer. Bumping up one size from the pump discharge size is usually a good idea.
Most of these supplies are available fron pool/spa dealers.
Jim
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