subjecting said algal spores to floway operating conditions so as to grow {TAIL ~ algae} forming an algal turf in {HEAD ~ said water}, said algal turf having a surface comprising cell walls 
subjecting said algal spores to floway operating conditions so as to grow { TAIL ~ algae } forming an algal turf in { HEAD ~ said water } , said algal turf having a surface comprising cell walls
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH