Welcome to TFP.
Considering how wrong Pool Store testing can be your PS test results are as good as any for your closing.
Who is closing your pool?
I suggest for next season you get your own test kit and get familiar with TFPC methods...
Your one-stop shop for all things TFP to include: ABCs of Water Chemistry, Recommended Chemicals/Levels, Test Kits, Troubleshooting, and much more!
www.troublefreepool.com