http://www.tropicalfishkeeping.com/freshwater-articles/bacteria-freshwater-aquarium-74891/
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Very informative article on nitrogen cycle
- Thread starter ecoli73
- Start date
Thats amazing, very informative. I Wonder if it would be possible to contact that forum's original poster and ask them for permission to display that here as a sticky? would certainly help educate people new to the hobby. I mean I've kept fish for nearly 12 years and I know the basics of the cycle but nothing in the detail that the article goes into!
Thanks for sharing Ecoli! (not the horrific bacterial virus kind)
Thanks for sharing Ecoli! (not the horrific bacterial virus kind)
Good read.Like a refresher as I knew about some of the material covered and some of it was new to me.
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WOW! Thanks for the great read. I have read mostof this before but not to such extent.
Learned something new today: "The floc or humic compost thatcollects in the substrate is the host for the biofilms; this is why thesubstrate in planted tanks should never be disturbed, and many aquarists applythis to non-planted tanks as well.”
Learned something new today: "The floc or humic compost thatcollects in the substrate is the host for the biofilms; this is why thesubstrate in planted tanks should never be disturbed, and many aquarists applythis to non-planted tanks as well.”
I've added that to my library. Great read. How'd you find this!? I've been looking and either I find something really general or extremely detailed.
Here is what I've been using. It might be termed as the detailed level of information, so most people may not want to see it.
http://www.bioconlabs.com/nitribactfacts.html
http://www.oscarfish.com/article-home/water/71-autotrophic-bacteria-manifesto.html
http://www.oscarfish.com/article-home/water/72-heterotrophic-bacteria.html
http://www.google.com/url?sa=t&rct=...6IC4Bw&usg=AFQjCNGbpBvc3w9X5WHzK0c5USD_Us0cmg PDF download.. pretty small but very detailed.
Here is what I've been using. It might be termed as the detailed level of information, so most people may not want to see it.
http://www.bioconlabs.com/nitribactfacts.html
http://www.oscarfish.com/article-home/water/71-autotrophic-bacteria-manifesto.html
http://www.oscarfish.com/article-home/water/72-heterotrophic-bacteria.html
http://www.google.com/url?sa=t&rct=...6IC4Bw&usg=AFQjCNGbpBvc3w9X5WHzK0c5USD_Us0cmg PDF download.. pretty small but very detailed.
I knew PH affected the cycle but did not know all the details.
One thing I like to question is the advice to leave the substrate alone. I think that is more geared toward planted aquariums and maybe people with sand substrates...I still think if one has heavy monster fish type loads, and has a gravel type substrate, it is best for the fish to vacuum.
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One thing I like to question is the advice to leave the substrate alone. I think that is more geared toward planted aquariums and maybe people with sand substrates...I still think if one has heavy monster fish type loads, and has a gravel type substrate, it is best for the fish to vacuum.
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Agreed. I think he means leave the substrate alone in planted tanks (because he says it has the most BB), but was saying that people apply that idea to unplanted ones. I don't think he was suggesting that the latter was a good choice.
http://dataguru.org/misc/aquarium/AmmoniaTox.html
A table of values for toxicity of ammonia at various pH and temps.
To elaborate on one statement in the article that many people already know, here is a link and I will quote the first paragraph:
"Ammonia comes in two forms Ammonium (NH[SUB]4[/SUB][SUP]+[/SUP]) which isn't toxic and ammonia (NH[SUB]3[/SUB]) which is toxic. Both pH and water temperature affect how much of the toxic form of ammonia is present in your water. Higher pH and higher temp result in a higher proportion of the total ammonia being present in its toxic form (NH[SUB]3[/SUB]). pH has the largest effect on ammonia toxicity. So if you have low pH and low temps, higher total ammonia can be present without it being as toxic as at higher pH and temps."
When he says ammonia is toxic, he specifies NH3, although the tests for aquariums often (only?) measure total ammonia (TAN-meaning NH4 and NH3.) TAN is not toxic at those levels if pH and or temp is low enough because most of the TAN is in the NH4 form, not NH3.
A table of values for toxicity of ammonia at various pH and temps.
To elaborate on one statement in the article that many people already know, here is a link and I will quote the first paragraph:
"Ammonia comes in two forms Ammonium (NH[SUB]4[/SUB][SUP]+[/SUP]) which isn't toxic and ammonia (NH[SUB]3[/SUB]) which is toxic. Both pH and water temperature affect how much of the toxic form of ammonia is present in your water. Higher pH and higher temp result in a higher proportion of the total ammonia being present in its toxic form (NH[SUB]3[/SUB]). pH has the largest effect on ammonia toxicity. So if you have low pH and low temps, higher total ammonia can be present without it being as toxic as at higher pH and temps."
When he says ammonia is toxic, he specifies NH3, although the tests for aquariums often (only?) measure total ammonia (TAN-meaning NH4 and NH3.) TAN is not toxic at those levels if pH and or temp is low enough because most of the TAN is in the NH4 form, not NH3.