Day 1: Before
Step 1 :
Scooping as much Debris up from the surface & bottom as possible

Step 2: Add Chemicals.

Step 3: Brush Sides and Bottom, Stir well and leave for 24 hours.

Day 2: Vacuum to waste as much as possible, Test Water, add chlorine,
adjust alkalinity if necessary, brush sides.

Day 3: Test water, add chemicals accordingly, vacuum to waste.
After: Top up pool and continue as normal