canada, page-14

Interesting this quite new idea of spot treatment. This is another style of useage, potentially reducing overall costs of applications. Would require more management and monitoring to be effective but could be taken up by many more clients if it worked.

"In the seven potential test sites suggested for Phoslock, two of three are presently identified in the current blue green algae outbreak... Moncton is working to apply it in local NB fresh waters. Spot treatment at trouble spots notably high in phosphate loading can significantly reduce cost and environmental impacts."