33ft above ground vinyl pool
25,800 gal
Sand Dollar SD60
Hayward Power Flo Matrix SP1510
Chlorine

Went on vacation and when I got back my water was clear but there was algae on bottom. Pool Company tested and had me add 3lb PH- and 3lb shock. 5 days later they had me add 3lb shock and add 5lbs baking soda and 2lb ph-. The water got very green and cloudy. Yesterday my readings as tested by pool company were

FAC 1.75
TC 2
CC 0.25
PH 7.5
T Alkalinity 39
Calcium Hardness 112
Cyanuric Acid 25
Saturation Index -0.5
Endure 0

They told me to add 16oz of Pool Life Algae Bomb and 10lbs of Baking soda. The pool looks like a green pond today. They told me to shock it again tonight with 2lbs of shock. It seems like baking soda makes it worse but I know nothing about pools. This is my second summer with it. I dont know if I am on the right track or not. Any help would be much appreciated!!