Water – Why is the ph of the hot water 2 points higher than the cold water

water

I noticed in late February that even immediately after washing my hair, it felt and looked greasy and that my bath water felt as though it had a bit of bath oil in it. The town water department thought that it might have to do with my water heater.

Before I got around to having it flushed, I noticed that it was leaking from the bottom. I had it replaced on March 17, but the problem persists.

The town tested my water on March 30. Yesterday they told me that all was normal, except that the hot water was a few points higher in Ph level. The cold water is 7.something, while the hot is 9.something.

I can't figure out what would be causing this, and it's a nuisance! So, I'm trying to find out what would cause the ph level to be higher and what can be done about it. Thanks!

Best Answer

Water testing is affected by temperature so if they tested the water hot and did not adjust for the temp the measurement was off. When I worked in a clean room the water was tested at 72 degrees if the temp was +- a couple of degrees we had to adjust the values so that is probably the reason for such a high level. But I think it went down on hot measurements, the only thing in your tank that could affect the PH is the anode , flushing the tank and or replacing the rod would be all that you can do.