Odd that you have a lot of dust. You shouldn't have much since the pool was acid washed. Did they also pressure wash the pool?
Brush as often as you can stand and run the pump 24/7 until the dust clears up. Be sure to pay attention to your waterline tile with the brush as well.
Loving the night shots! Coming right along! Soon you will have your yard back with a pool to swim in!
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What a classy clean simple uncluttered design.
Good job.
Don't bother with FC and cya since they won't be high enough to measure anyway. Just focus on the pH and TA, brushing, and keep the floater loaded up on pucks.
You can vacuum up the dust as well if you have something capable of doing so.
They recommend using a vacuum heads for vinyl liner pools but those things are so cumbersome to use that I feel they do more harm than good.
A vacuum head should be fine on a medium pumps speed.
You can probably let the pH drift closer to 7.8.
Remember everytime you add acid to lower the pH , you are also lowering the TA. One gallon of acid will lower your TA by 33 ppm.
Aeration does not effect the TA, it provides a medium for carbon dioxide to outgas which ultimately forces the pH to rise.
Why did you lower the pH that much?