When i was researching plumbing for dummies, they use the black pvc for sewage, white pvc for regular, and no it's not racist, it just makes sense, shit is black, it gets the black pipes.
When i was researching plumbing for dummies, they use the black pvc for sewage, white pvc for regular, and no it's not racist, it just makes sense, shit is black, it gets the black pipes.