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The fact that after 3 days no more precipitate settles out, gives a good estimate of time to wait before sending the calcium hypochlorite solution into the plant. Waiting 3 days to use the solution and pouring out only the liquid at the top of the precipitant and bellow the film formed at the top of the container should decrease the amount of precipitate in the system and help to eliminate clogging. Further we would recommend some type of filtration of the solution to remove the flocs of precipitant that are levitating in the middle of the holding container.