Haha. Nope, haven't used calcium stuff for over a year. No idea why the level is so high. Should I test my tap/fill water before I refill? I haven't drained yet, need to time it right. I am keeping the FC level up by using liquid chlorine, may not be able to start until Monday.Were you using calcium products before to treat your pool? I know NH is the "granite state" but is your water like liquid cement???