My neighbor has been getting pool store'd! So I decided to lend a hand.

35,000 gallons, liner, light green water, they use a tablet feeder and granules.
They recently, earlier this week, shocked it with granules and its still green.

FC: 0 ppm
ph: below 7
ALK: taylor test turned pink right away instead of green! never seen that happen. does that mean 0 ppm?
CYA: 0 ppm

I had them go get like 8 jugs of bleach yesterday and told them to pour in 4 last night.
They were supposed to go to lowes and get 12 lbs of CYA also. The formula says to get to 40ppm would take 11.66 lbs.
I am going to go test today to see if any FC is still there and also start with the CYA. Should I start with 6 lbs and use a little pool owner patience or go heavier on the CYA?

Is this the right start or do we need to work on ph and alk?
I have never had to mess with my ph and alk so feel free to walk me through what to use and how to correct those issues.

thanks!