Our Pro PVC Cement Kit contains dauber cans of each of the 3 products you will need for spa and pool PVC cementing:
Cleaner
Purple PVC Primer
Medium-body Clear PVC Cement
Use cleaner followed by PVC cement on flex pipe (no primer). Use cleaner, primer, and then PCV cement on rigid PVC fittings. From Marsh Labs, the leader in industrial-duty PVC glue and cement weld products.