718655fb_at_Conundrum__Mackinac_Center___3
[0] Electro-Ionization [1] Sequential processes involving introduction of ionized gas; air is then passed through ultraviolet and magnetic fields to create oxygen and nitrogen ions; ions are injected into water, causing organisms to coagulate for removal. [2] No known environmental impacts. Safe for crew. [3] 
Experimental. Large footprint and complex instrumentation requiring specialized crew.
Great Lakes, Great Conundrum [Mackinac Center]
3