I have a 110gal tub pond growing Val in the yard. This morning there was a 1/4" of a clear ,glassy material covering the water. What can it be? Will it hurt the val? I know it is not ice because Al Gore (father of the internet) and a number of Hollywood CA experts say the world is getting warmer. And there has not been ice in this pond since I buried it 6 yr ago.
It does seem strange looking at a big crop of val through this layer.
It does seem strange looking at a big crop of val through this layer.
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