Home » Resources » Chemical-Free Lakes- A Resource Guide to New Hampshires Invasive Aquatic Plants and Non-Toxic Treatment Alternatives (2012) Chemical-Free Lakes- A Resource Guide to New Hampshires Invasive Aquatic Plants and Non-Toxic Treatment Alternatives (2012) Pesticides Chemical-Free Lakes New Hampshire NH Pesticides videoTextBlockModal--Title × Your browser does not support the video tag. Download Resource Share