Alternative raft design

Like the raft idea, but definitely not the PVC. Websites showing the many reasons why it is not a good idea for the ocean and for our kelp babies. Below an idea I hatched using the raft concept. Of course all the bulbs would have sori rich blades.



http://www.greenpeace.org/international/en/campaigns/toxics/polyvinyl-chloride/
http://www.algalita.org/blog/?p=3740