General pH question

[upinsmoke365]

Before this point my pH has been pretty much a steady 6.5 on runoffs. About 2 weeks ago I added flowering fert as a top dressing. Attached pictures of it. And pH as of now which is about 7. I know you guys will say don't use time release but it was the closest ratio I could find around where I live. So I just watered them, do I flush or next watering water with a 6.0 phed water solution?

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