EasyWater Softner: Does it work on PVC?

I noticed in all the pictures that the EasyWater softner was installed on copper pipes. I have PVC pipes on my water system. I was considering purchasing the system, but I thought I’d check and see if it would perform…

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I noticed in all the pictures that the EasyWater softner was installed on copper pipes. I have PVC pipes on my water system. I was considering purchasing the system, but I thought I'd check and see if it would perform on PVC as well as copper.