7070 gal AG pool filled w well water; added bioguard smartshock(dichlor) 1lb last 4 days. Using Taylor K-1000 & K-2006 test kits.
TC=5-10
PH=7.5
TA=310-330
The lowest reading for CYA in K-2006 test kit is 30ppm. I have not reached the minimum 30ppm level. I am not sure how to check CYA lower...