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i was in the same boat as you, i stopped the vodka for 2 weeks. used the mb7 as instuctions say for a new system, then restarted vodka from the beginning again. Ive seen some good results so far.
I was thinking about throwing vinegar and sugar into the mix with the vodka and mb7 but unless I'm missing something here I don't know... Po4 is zero and 0 nitrates has been accomplished along time ago does anyone see a reason to go with the vsv route??? I mean biodervisity of bacteria is great but what can I expect from a ulns if I'm already there and throw those in the mix, anything????
Greg, the bacterial driven systems are a different form of nutrient export. They create a more efficient export system than any macroalgae system out there. The end goal is to reduce nutrients and zooxanthellae populations so that you can control/modify colors in your SPS corals. I don't have links to the articles on this computer but I will try to remember to post them when I can. For some informed reading, go check out the zeovit website. They are all basically the same system just a different brand name. I used to use zeovit, that is was got me started in the ULNS methods.
Hey Beaslbob... great questions!
Keep in mind that these answers are based only on my experience and research. I may not be 100% correct but everything is, to the best of my knowledge, pretty close. I also am not afraid to say I don't know as you will see.
First thing, please separate in your mind the concept of bacterial driven system and bacterial filtration. The bacterial driven system is based on these bacteria colonies that we introduce. They are not naturally occurring so we must dose them. This shall be referred to as a ULNS (Ultra Low Nutrient System) method from here on so as to not confuse. The bacterial filtration is made up of the naturally occurring organisms that perform the denitrification process that we often refer to as cycling.
1 - I have no idea in what order that the ammonia and nitrates are consumed, if at all. The denitrification is done entirely by your normal bacterial filtration. Adding this bacteria will not change the ammonia - to nitrite - to nitrate cycle that everyone is familiar with. Nitrates will be depeleted with the ULNS, as far as I know. I will dig up some research and try to provide that information.
2 - Yes they do consume phosphates. The ULNS will deplete nutrients. As above, I will dig up some research.
3 - I do not know if they consume CO2. My gut feeling is NO but I will check into it.
4 - I do not think that they return O2. That would be a handy feature but I don't think it works. Again, I will do some checking to get a concrete answer but I believe it is NO.
5 - No, they will not bioaccumulate toxins. I am not sure where this question is coming from. Do you have some experience in this?
6 - The bacteria from the ULNS can be consumed by the corals but not the fish. With the use of zeoliths the bacteria will grow on the surface of the rocks (zeoliths) and you "clean" the reactor daily (or every few days at least) and release the bacterial mulm into the water column. The feeding corals (SPS in most cases) will ingest the bacteria from the water column as a food source.
7 - The ULNS bacteria should not be affecting the pods in any way. The pods may feed on the bacteria, but I really have no idea. Pods are detritivores, correct?
8 - They CAN kill a system when overdosed but it doesn't work quite that way.
The biggest thing that I love about a ULNS is that it gets away from testing to maintain perfect parameters and teaches you to WATCH and OBSERVE your inhabitants. Each additive will have a different affect on your corals and it is up to you to dose something, determine its effect, and modify your dosage to achieve a desired result. If you overdose something you are going to see a change (ie cyano or diatom bloom, algae bloom, polyp retraction, etc.) that you don't necessarily like and you will know to modify that.
The only way to get beyond that perceived ignorance is to ask the questions. I applaud you for taking the time to develop well-thought questions that will benefit not only yourself but anyone else reading this thread. I hope that this has helped to shed some light on the ULNS bacterial driven systems. Please ask any other questions that you may have.
To everyone else - If you have questions, POST THEM HERE. I'm not anti-PM but if you PM me then it doesn't serve the greater good of educating everyone. This has been a great discussion and I would like to keep it going that way.