They should recheck their consultant. Who is it? For 0.5 chlorine either would be fine. But actually the better choice might be to add ammonia and make chloramine which will help to control biofilms on the RO membrane.
Published by Joseph Cotruvo, President at Joseph Cotruvo & Associates, Water , Environment and Public Health
They should recheck their consultant. Who is it? For 0.5 chlorine either would be fine. But actually the better choice might be to add ammonia and make chloramine which will help to control biofilms on the RO membrane.