Help! My husband installed a new hot water heater yesterday using pvc pipe and All Purpose PVC Cement and Purple Primer for PVC on the joints -- not only was the smell horrendous, but the smell is in our hot water when you turn on the faucet - 24 hours later. My common sense tells me this can't be healthy...the labels on the cans (which he doesn't read) say that long term exposure to these chemicals can cause "brain damage, liver and kidney damage, respiratory, reproduction damage", etc. etc. I don't think this toxic goop should be used on the inside of drinking water pipes. I don't even like pvc pipes for drinking water. My husband has been using it for 30 years and insists it's the only way he knows of -- Can this be true? Should we be using copper pipes for drinking water? Thank you.