Just opened our pool and did a full range of tests using my kit. I understand everything except the cyanuric acid piece. When conducting my CYA test, it appears that my CYA is zero because the water was clear and I could easily see the black dot in the bottom of the tube. The cyanuric acid that the I bought last year clearly states 35% cyanuric acid (liquid form - conditioner). Based on what I am reading, I should avoid the 35% cyanuric acid product correct? The pool calculator states that I will need 160 oz or 10 lbs to take my CYA level from 0 to 40. That seems like a lot and seemingly would take forever to slowly administer via a sock. Please advise. I am not opposed to buying liquid cyanuric acid (even though it is more expensive) but I cannot find 100% cyanuric acid in liquid form anywhere. Please advise and thank you in advance.