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I had my pool replastered about two weeks ago (May 24). The CH level has varied from 200 to 250 the last two weeks. Today it was 250. The plaster contractor gave me startup procedures from the National Plasterers Council (NPC). These procedures say the following: "After the 4th Day-calcium...

Background: I had my pool replastered (white) on May 24. I had some trouble with ph and chlorine during the first few days to a week. The ph was always high until I added enough MA. I have been following the plaster contractor's instructions. It said to keep FC=3. I had trouble maintaining...

This is my first post. Great site!. I've been following it for two months and I really like it. I had my pool replastered (1st time on a 21 year old pool) on May 24. The plaster contractor gave me start up procedures from the National Plasterers Council - 2 pages with the "NPC" logo in the...