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Rock Snot in Minnesota

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Mats of golden-brown goo, called rock snot, are showing up on rocks in North Shore streams. Formed by didymo, an invasive algae, researchers think rock snot has lived in the Great Lakes for thousands of years. But the first discovery in a Minnesota stream was in 2018 in the Poplar River.
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27 мар 2024

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Комментарии : 8

@bozleyangling 4 месяца назад

this is amazing, you deserve more recognition!

@izzycurer1260 4 месяца назад

I have so many questions I want to ask this guy. I have a pet rock I found in a lake. It's covered in green algae, and I keep it in a dish of water on the windowsill above my kitchen sink. One time, I fed it a tiny crumb from an iron vitamin tablet, and the algae turned dark green. Another time, I gave it a crumb from a calcium pill, and the algae turned pale green and foamed up with bubbles. I want to know what is happening.

@goosenotmaverick1156 4 месяца назад

You're feeding it nutrients and it's up taking those and using them for their intended functions. In aquatic plants, which technically encompass this algae, iron and calcium are crucial nutrients, the calcium I believe is what helps build the frameworks and fuel physical growth, hence the lightening in color. It has excess growth and lacked nutrients to turn dark green like it did with the iron. Basically by altering nutrients you're altering the growth of it and it's condition. They make all in one aquarium fertilizers. You could try one of those that's light or empty of nitrogen as you don't want too much nitrogen or you'll get other algae and such growing in the dish. Keeping the nitrogen load low helps growth be slow but healthy and intentional. Basically what you seen as pale green was a nutrient deficient algae.

@goosenotmaverick1156 4 месяца назад

Look up care for something like a marimo moss ball, that should help you keep a healthy patch of algae on your pet rock 😎

@goosenotmaverick1156 4 месяца назад

Also try looking up things like hair algaes and such and see if you can identify it. It's likely a hair algae based off what you described as far as I can tell. It's a different kind of algae from the diatoms discussed here. You should find LOADS of help on aquarium type pages/groups. There are various types of algae aquarists have done well to identify each kind and why it occurs in aquaria (generally an imbalance of some sort by our standards of water quality) and have identified which things to cut out to get rid of it, thereby providing you with the information to do the opposite of, to make your algae flourish. Sorry for the multiple comments, I had afterthoughts, and it's also good for the algorithm/engagement, especially for smaller channels.

@izzycurer1260 4 месяца назад

@@goosenotmaverick1156 No, thank you for the multiple comments! I'll do that.

@goosenotmaverick1156 4 месяца назад

@@izzycurer1260 good luck! Growing algae on purpose can be a tough task, hopefully it goes well for ya! Don't underestimate the amount of light it'll need to stay lush and green 😎