The diet and supplements aren't just for pH - they also effect egg polarity, cm mineral content, and hormones. So yes, for a strong girl sway, it's still important to do diet and supplements. You can experiment with replens, rephresh, vinegar or lime douche (or tampon) to see if any of those help with your pH. Also, what method are you using to check pH? I only had the strips and had trouble getting enough cm to get a good reading from them.