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Truly Understanding Nitrifying vs. Denitrifying Bacteria & The Effects on Aquarium Plants & Fish.

FISHTORY

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Today's video also has a "Supplemental Reading Material" post on the "Community" tab of My YouTube channel.

Today we will be discussing far more than the basic aquarium based nitrogen cycle, but rather looking at the natural and wholistic view of the MANY nitrogen cycles, AND in BOTH "directions".
Nitrifying bacteria in aerobic conditions as well as anoxic, or low oxygen environments found in freshwater lakes, ponds, rivers and wet soil or sediments- as well as the denitrifying bacteria which break down complex nitrogen rich compounds into their more basic elements.
We will also talk about the newest research on anerobic- Nitrifying and denitrifying bacteria in the deep, oxygen-free substrates and sediments. As well as the apparent link to the sequestration of methane gas and hydrocarbons in freshwater "sinks", which humans have begun to release since the industrial revolution, aka the "Anthropocene".

Today's video also has a "Supplemental Reading Material" post on the "Community" tab of My YouTube channel. If you'd like to see the chemical equations or the molecular metabolism flow charts, as well as the outline I put together and read from, it's all available under that community tab (You may need to scroll back in the post history if you are watching this some point later than January 2021).
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20 Comments

@Fishtory Creator 5 years ago Pinned

ALL THE INFO IN THIS VIDEO, IS WRITTEN AND AVAILABLE UNDER THE "COMMUNITY" TAB OF THIS CHANNEL. Simply go to the community tab and print or copy the text format outline & notes to follow along the video with, if you would like to see equations and enzymes etc. Written out visibly. Enjoy folks!

@thathobbitlife 5 years ago

This was SO info packed, holey moley man, incredible! Thanks so much from dropping all this knowledge to us all

@Lolsmokeshowlol 5 years ago

Great info Alex, thank you for your time and the info, this video lit up some light bulbs for me.

@alantooth48 5 years ago

Thanks for this video Alex I know this took a lot of time and effort and research and I enjoyed every second of it. Beautiful tank by the way. I like your channel because of the depth that you go into on many different subjects. Keep up the good work and I hope your health improves!

@tnaqua5630 5 years ago

Thanks again Alex for sharing your knowledge with us. Congratulations on the new house man. You and your wife deserve it.

@MridulSinghMusic 5 years ago

This was very informative, and I watched it twice to make sure I got everything! Thanks for taking the time to compile all of this information Alex!

@flappymcbobjoe35 5 years ago

I originally started out with aquariums because I was bored and wanted a centerpiece for my kitchen. Started getting more interested with having live plants and now 2 years later after finding your channel I have a great appreciation for everything that goes on inside of an aquarium and I have to give that credit to you. You give such great explanations in a way that isn't boring and it has really given me a new way of looking at the natural world outside of the aquarium hobby. Thank you so much for your knowledge that you give out for free, it is very much appreciated. btw please excuse my username I don't really feel like changing it

@johnnybest6386 1 year ago

Everyday u always learn something new

@corydorablecaliaquariums 3 years ago

Great vid! Watched it three times!

@dusk1947 5 years ago (edited)

Fantastic discussion.
Especially pertinent given that most hobbyist's understand 3 steps of the nitrogen cycle, the problem being that this cycle is one of the largest and most complex cycles on the planet; often rivaling the scale of the carbon and water cycles...
So an overview that goes past 3 common steps is simply awesome to see.

If you're looking for a good follow on discussion point. The "cation exchange capacity" of soil and sediment is a great next step. It will tie in how the mineral portion interacts.

As is " Liebig's law of the minimum" which is an 1800's principle that agriculture still uses today in understanding limiting rates, sufficiency, and deficiencies (which changes with pH for every element, just to make it more complicated).