Official Bacterial Driven Thread

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   LOL I like putting official in the title, sounds like I know what I'm talking about. 
Now for the serious part.

I have been studying this system for well over a year now, probably close to 2. I have seen some awesome tanks that employ this style of reefing. It is a great way to run your tank closer to Natural Sea Water if that is what you prefer.

I am just going to post the BEST manual I have found thus far.

Here is the link: http://www.reef2reef.com/forums/general-sps-discussion/41018-microbacter7-vodka-dosing-guide.html

MicroBacter7/Vodka dosing guide

So, I am sure by now many of you have heard of people dosing vodka and bacteria into their systems. You first thought may have been "what" or "why", but I am here to help explain the reasons behind why those of us who do dose vodka do so. 

Let me start by saying I am not an expert on the subject. I am not a scientist and cannot get into the intricate details of how and why the dosing of vodka works. I can however tell you what has worked for me and give you a general idea of how vodka dosing aids ones system. Please keep in mind that this dosing system is not without risks. You can wipe out your system if the proper procedures are not followed. 

Before reading what I have to say below be sure to check out the links below:

(This will give you a general idea on how much vodka to dose) 
Vodka Dosing by 'Genetics' and 'Stony_Corals' - Reefkeeping.com

(This is a simple overview of the vodka dosing trend in this hobby) 
Gimme a Vodka, on the Live Rocks, with a Splash of Heavy Skimming. (03/30/10) / Feature Articles - Quality Marine

Basically, the ethanol in vodka feeds bacteria in your aquarium which in turn multiply. When the bacteria multiplies it consumes N03 and P04. The bacteria, along with the nutrients it has consumed is then exported by a large protein skimmer. The bacteria, in this case MB7, is added in order to keep the bacteria diversified and help stave off red slime. You can dose vodka alone but I wouldn't recommend it. 

When I first setup my current tank I had been adding Microbacter7 from Brightwell aquatics. While this help the tank I wasn't all that impressed. It wasn't until I started dosing vodka that things really took off. Within a month of dosing vodka I no longer had to use GFO. Within 3 months I actually had to add Amino Acids and feed the tank more as it had become "too clean". The corals had lightened up and actually stopped growing. After cutting back a bit on the vodka dosage and adding more food the corals once again took off. 

Please note that you MUST have a sufficient sized skimmer and proper aeration to employ this dosing system. Reefers have crashed their setups by not running a skimmer or having proper flow/aeration. 

Here are some things I have observed when dosing MB7/vodka:

PROS
-My skimmer is pulling out more gunk then ever
-My water is even clearer now
-Polyp extension in corals has greatly increased
-Coral growth has exploded. Within two weeks of dosing I have counted 36 new, small coral heads coming out of my large mille. 
-The sand bed is whiter.
-Glass and overflow box stay cleaner longer. 
-Coraline algae has begun to show up on pumps and over flow. 

CONS
-Some corals have lightened up even more.
-Red slime is appearing in spot it hasn't before. 
-Bacteria is making my sand bed clumpy, so I have to gravel vac it twice a month. 

Is vodka dosing for everyone? No. But for these of you willing to take the time to understand and implement this system it can change the way you go about reef keeping. The system is simple and cost effective, allowing you to achive near ocean like water quality without the use of expensive GFO or refugiums. 

If you decide to dose MB7/Vodka here are some helpful tips: 

MB7 (Bottle Instructions.)
+
Vodka (or carbon) Dosing - Vodka Dosing by 'Genetics' and 'Stony_Corals' - Reefkeeping.com
=========================
Probiotic Reef Keeping.

Time to dose = during lights on seems best. MB7 into the display. Vodka into the sump.

Rules 
1) Need a good skimmer

Noticed in Water testing
1) high nitrates = increase vodka as per instructions.
2) no Nitrate/Po4 change in LONG time = try another carbon source like vinegar, sugar, biofuel...
3) low nitrates = maintain till 0 then reduce to maintenance levels of vodka
4) Increase in Alk = stop dosing Cal / alk, test water change h20 for alk level. Decrease with large water changes and/or chemicals if it gets bad. Corals may stop taking Cal/ALK while getting used to Probiotic system & increased light.
4) new tank/build = follow instructions, stay close to the low side of dosing.
5) Phosphate being high = a round of GFO

Noticed in Algae/Bacteria Reaction
1) Bacterial Blooms (slimy white strings) = too much bacteria, decrease vodka dosing.
2) algae on glass after increase of MB7 = reduce MB7 :P
3) brown dusting or brown hair like stuff = decrease MB7 (also check http://www.rimlessreef.com/1/post/20...eament-of.html )
4) cyano = increase MB7 and/or lower/stop vodka dose. After the cyano has gone away restart the vodka from the initial or maintenence dose. If it's really bad consider a "lights out" period. If really really bad consider "Red Slime Remover."
5) peach fuzz = stop or decrease (especially vodka) dosing for a while (about a week or till the fuzz dies off) then start back up with the maintenance dose. OR This may also just go away in time.
6) glass and sand getting dirtier = dose more/feed less

Noticed in Live Stock Reaction
1) Corals losing color = more feeding, possibly Amino Acids, lower photo period an hour for a while.
2) Corals Burnt Tips = check alkalinity..get it to 7-8 dKH by stop dosing alk...maybe stop dosing EVERYTHING if it gets bad.
3) Monti caps bleaching = Cut the vodka dosage in half and stay there until the cap starts to color up and/or lower the lighting photoperiod for a bit or have a light "day off."
4) Everything dies = Blame the wife, kids, or something other than your own possible mistakes )

Other
1) substrate hardening = keep it broken up and siphoned with water changes. Maintain a good high PH of 8.1 - 8.3 

Another great link is http://www.rimlessreef.com/

That is about the best place I can tell you to start reading and researching.

That is taken from a guy named Sonny out of Michigan. His tanks are absolutely gorgeous and he has changed the way a lot of people look at this method including me.

Now if you go ask people about this method, they will tell you that you will kill your tank and that is the worst idea in the world. To those people I say, "Have you tried this method? Have you even researched this method or are you just believing what people say?"

I will post my experience in the next post and what I have modified over the last 7 months.

DISCLAIMER: ANYTHING THAT HAPPENS TO YOUR TANK, IS YOUR OWN FAULT. I AM NOT RESPONSIBLE IF YOU DON'T FOLLOW THE RULES.