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