I have a container of water ready to test but I havent tested yet. I was a little busy but also a little intimidated. This kit looks a lot more complicated than the hth one I got from walmart. I'll definitely try to test today.
Baking soda is less than $1 a pound at my local grocery store, no need to go to the pool $tore for it! It is literally the same thing as the orange boxed stuff, calcium bicarbonate.