PVC pipe sealant questions

[BSQ]

What is the best to use pipe dope, sealant, tape for threading PVC into cast iron and what brand name

 

[John Gayewski]

what is the best to use pipe dope ,sealant , tape for threading PVC into cast iron and what brand name

I like Megaloc, Blue Monster is fine. It doesn't really matter as long as it's compatible with plastic.