Dear Kumarasamy. This is in ...

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Dear Kumarasamy. This is in continuation with my earlier note, While there is no way to eliminate biofilm, as said above, shock dosing of chlorine dioxide at intervals will certainly help. There are many bio-dispersants , mostly low molecular weight polymers, which help in flushing out the dead bugs and debris from the system, but these are not allowed for drinking water. So another constraint is that there is no easy / practical method for flushing out debris from drinking water distribution lines. Regards, Nikhilesh