Hi, welcome to TFP! You need to raise the pH to 7.2-7.5. You can raise pH with either washing soda or borax. Borax will add borates to the water, which can be a good thing, but you need to decide if you want borates in the water since the only way to remove borates is to drain and refill the pool. You can read more about borates
here.
Ignore the BR reading. Unless you have added bromine to the pool that number is useless. You need to get some CYA (also known as conditioner or stabilizer) so your chlorine will hold long enough to do the job. Add enough to reach 30 ppm. After your SWG comes you can add more to raise it to 60-70 ppm.
You can use plain, unscented 6% bleach as your chlorine source until the SWG is ready to take over. You will usually want to continue to add bleach a day or two after the SWG is up and running. It is much easier on the SWG to maintain a FC level than to build up a level from 0.
A good, high quality test kit is an investment in your pool. We recommend the
TF 100, or the Taylor k2006. The TF 100 is only available online. Sometimes you can find a Taylor k2006 in stores but usually it is ordered online as well. There are many different Taylor kits out there so don't let a pool store tell you it is the same as a k2006. The TF 100 is a better value overall. The shipping is fast and you will get larger bottles of testing supplies than the Taylor kit.
You can use
The Pool Calculator to determine how much of any chemical you need to dose the pool correctly.
Good luck with the new pool!