Tropical water lilies can breathe

Some time ago as maintenance was being done across the ponds, I noticed something unique. After removing an expired pad from a N. William Mclane, I noticed it started releasing bubbles and it kept going and going!

I’m not entirely sure of the composition of the bubbles but I believe that it could be mostly oxygen. This could be particularly useful during a power outage @ the popping of the bubbles on the water surface creating gas exchange.

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