I just finished draining, scrubbing, washing with tsp, scrubboing, spraying with bleach, scrubbing

Algae is apparently GONE and I am refilling my pool! Plus, I lost 7 pounds this week doing all the work myself! I am a happy girl! Now...once the pool is full, should I test before adding salt, calcium, and stabilizer?

Mine is gunnite, 18,000 gal.