Electric bio rock

[alan.reef]

Just read something on web and found this. hope this is the right to share.
http://www.bbc.com/future/story/20150506-why-we-should-electrify-the-ocean

 

[Randy Holmes-Farley Verified Community Expert]

FWIW, I believe the electric current works by increasing the local pH and alkalinity near the rock surface, increasing the precipitation of calcium carbonate.