This invention involves {HEAD ~ the presence} of {TAIL ~ microvoids} in the second coating of the granules to enhance the migration of algaecides contained in the first coating thereby providing increased algicidal activity on the surface of the granules 
of
This invention involves { HEAD ~ the presence } of { TAIL ~ microvoids } in the second coating of the granules to enhance the migration of algaecides contained in the first coating thereby providing increased algicidal activity on the surface of the granules
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH