Hi Mike and welcome to the Pool Forum. Since it appears that you have no chlorine and no CYA, dichlor might be a good option for you for awhile until your CYA level is where you want it. Then, you'll need to switch to an unstabilized form of chlorine like bleach or liquid pool store chlorine if it is cheap. (Even though trichlor is stabilized, it isn't a good choice for you right now because you can't shock with trichlor.)

Unless I missed it, I don't think you told us if it is a vinyl liner pool or gunite, or plaster or ????

Good decision to buy the K-2006. It will make things a lot easier for you!