You said..."I don’t know what the municipal water company adds. But I’m wondering if boiling the water would be helpful? His eating habits haven’t seemed to change, and he is still drinking. He is fairly active as well"...if you look up your municipal water provider on lin e it should tell you what's in the water. Boiling will only help the water if boiling will get rid of any additive that might be contributing to the proble!m. It may take a few days for him to get used to the dripper.