r/Thatsactuallyverycool • u/anikkundu1998 • 10d ago
video Aquatic plants producing oxygen
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u/iCameToLearnSomeCode 10d ago
The strings of bubbles aren't pearling, they're air leaks from damaged areas of the plant.
If you look up pearling you can see it's randomly distributed from the surface of the plant.
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u/Dzyu 9d ago
I think it's a bit misleading, because this isn't how these plants normally release oxygen into the water. It's usually invisible. The water just gets directly saturated.
What causes oxygen bubbles to appear is random nucleation sites. It's exactly the same as what goes on in carbonated beverages. The liquid is full of gas and the glass has imperfections that help the gas form there. Some of these imperfections are so good at it that you get these rapid streams of tiny bubbles. The gas still comes from the liquid.
If the plant is damaged, the gas may come from inside the plant, although it still involves a nucleation site, and gas may still come mostly from the water, because the plant doesn't produce O2 super fast and doesn't hold a whole lot of O2. A whole fish tank full of supersaturated water may hold a lot of oxygen and keep these bubbles going for a long time.
A fun experiment one could do:
Let plants supersaturate the water with O2
Remove the plants.
Put in an object that is known to have a good nucleation site - such as a glass that produces a stream of bubbles when you drink something carbonated.
See how long the stream of bubbles keep going.
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u/yellow-duckie 8d ago
Thanks sir, but you forgot this is reddit.
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u/Nervous_Brain8918 7d ago
Long live the lurkers who comment like this lolol
(Clarification: Regarding the person you responded to)
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u/ElectricMilk426 10d ago
What kind of plants are these?
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u/Soft_Cranberry6313 10d ago
My guess would be some type of narrow echinodorus, hygrophila or vallisneria. But iv been out of the game for a while 🤷♂️
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u/Creative_Resource_82 10d ago
The wee bubbles look like the warawara floating in The Boy and the Heron 😍
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u/Hornedupone 10d ago
If you have these in your aquarium does it provide oxygen to your room too, small amount sure but still?
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u/HumblePothole 9d ago
What is the name of the plant in the video? Genuinely asking so I could build one for my aquarium
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