So,
Tp4 bought des' PVC pipes and PVC joint-fittings
Only to find out the older pipe is ABS (cellular core) cheapo pipes..
Now, Internet says haz to use _Transition Cement_
The PVC glue has a primer+cement portion for plastic welding.
So, if I use the pvc-fitting on one end with PVC pipe, and the OTHER end to old ABS pipe, Do I NOT prime the other side of the fitting where it connects the ABS ?