Sir: I complement you on ...
Published by E. Hugh Pettman, Employee at Biophysics Research Pte. Ltd.
Sir:
I complement you on your actions in the matter at hand.
Simply require the factory to pass water ,via a 4 micron filter, through a UV source as suggested elsewhere herein.
Water storage containers can be kept at optimum levels of cleanliness by addition of our organic solution in small quantities.
See brochure.
Stay safe,
Hugh.