Sure, but (maybe someone can jump in here) isn't copper pipe + water soluble lead-free flux + lead-free solder better? Copper piping is more expensive--dunno wh

Sure, but (maybe someone can jump in here) isn't copper pipe + water soluble lead-free flux + lead-free solder better? Copper piping is more expensive--dunno when you'd make your money back over tap filters, but broadly I don't think you have to choose between lead and microplastics in your water from your piping.