Growing CPs on hydrogel

[gill_za]

Just stumbled upon this. Plants are grown on a thin film of hydrogel commonly used in diapers.

<iframe width="560" height="349" src="http://www.youtube.com/embed/WWvrkJJbPoM" frameborder="0" allowfullscreen></iframe>

Anyone tried that with CPs? I can see pings growing on it