TEMPORARY -repeated application often within the week
TOXIC copper sulfate -devastate ecosystem
EXPENSIVE
-AQUATIC PLANT HARVEST: removal of phosphorus containing biomass in
plants in waterÉ in addition to serious ecological impacts of
harvesting,with the size of
3MP, not enough P in biomass to make a significant reduction and to make
harvesting worthwhileÉ
Purely physical/barrier
that caps the phosphorus within the sedimentÉ
Requires Small areas
and no disturbance so seal isnÕt broken
Application of liners is
difficult in a lake the size of Threemile & also very expensive
