The 7 Day plan calls for bleach while filling and borax if pH is low.

The Intex pool care plan calls for dichlor and borax. The borax is there to counteract the pH drop caused by dichlor. The dichlor is important as it is the source of CYA in this plan. CYA is critical as it prevents the sun from removing all the chlorine from the pool. Dichlor adds 9ppm CYA for every 10ppm chlorine it adds to the pool and it dissolves quickly.

I wouldn't use the SWCG until the pool has about 50ppm CYA regardless of when you add the salt. Start the pump/filter as soon as the water is above the in/out ports in the pool.

The kids can swim anytime the pH is between 7.0 and 8.0 and there is some chlorine in the pool. Add a half a dose of bleach or dichlor before each swim session.

Do you know the volume of the pool?