My body is more acidic since starting my fast ?

I am 8 days into a green juice fast and my body is now more acidic (7.5 to a 6.5) than when I started ?? I am not sure what to attribute that to and the only thing I can think of is that my body is ingesting some of the waste that it is generating.  I have done this type of fast as well as the Master Cleanse in the past and have not encountered this issue.  This time though I also have symptoms I haven’t had before: fatigue, dizziness, increased heart rate.  Any ideas ?

Best Regards,
Charlene

How are you determining ph and what are you measuring? When the body burns fat it releases ketones and acetone is a by-product which will acidify the blood. But that is a theory. I would up the juice amount and add sweeter juices to slow the detox.
Tom