I wonder how dangerous aquaponic, bioponic, and hydroponic can become...
Harmful algal bloom (HAB) are capable of producing a number of toxins
that may pose a risk to human and animal health. HABs occur when excess
nitrogen and phosphorus are present in lakes and streams. Such nutrients
can come from runoff of over-fertilized fields and lawns, from
malfunctioning septic systems and from livestock pens
http://www.toledonewsnow.com/story/26178506/breaking-urgent-notice
