Confused: How can my urine and saliva ph be SOOO DIFFERENT???

I’m so confused. I found out that I’m extremely acidic. So I went out and bought the ph drops, test strip tape, and a bunch of alkaline foods. To get me to not be extremely acidic and get balanced faster, I have been eating nearly all alkaline foods. The third day both my first urine and saliva read 6.4, so I’m thinking, “Oh good it’s working.” So I tested today, my fourth day, and my first urine read 8.0 and I’m thinking, “Oh good I can eat some acidic food” (cuz I’m dyin’ over here, hehe), but then I test my saliva and it read 6.2. I’m like “What???” I tested it a few times but it’s hard to tell the more spit the lighter the tape strip looks. But my saliva was definitely waaayyyy more acidic than my urine. I understand that they are not always going to be the same even in the morning, but how can they be so drastically different????????

I did not eat or drink anything. I do use a snoring mouth piece at night, but I used it before I tested myself yesterday too and the results were the same for the urine and saliva. I have acid reflux as well. I’m so confused do I stay on the extreme alkaline foods or back down a little? How long does it take to show up in the blood? A fasting blood test told me how acid I am, how long should I wait to get tested again? Which is closer to the blood reading, the urine or saliva?

Please HELP ME and thank you for any help!!!
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