Big problem getting started. (bacterial bloom)

Daniel Yoon

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I recently set up two aquariums at my dental clinic and I think this “location” might be the problem.



The two aquariums were set up at different times at a different place using different methods but show the same symptoms that being, a very aggressive bacterial bloom.(snot, slimelike bactera everywhere)



I’ve been changing the filter socks for both tanks almost 10 to sometimes 20 times a day but the bacterial bloom seems to be getting worse. My 200L tank has an automatic sock filter
mechanism but I wore out the whole roll in just a couple of days. Since then I changed to just manual socks but have been getting tired of changing them out. Water changes doesn't seem to
work at all and I’ve also tried waiting for weeks without doing any changes whatsoever but its only worsening.





Each set ups are as follows.



<Quarantine tank> 70L, 450 cube tank with inner sump

been more than 2 months since setting.

Located in my personal office next to a door.

Heater 25C, salinity 1.021(Red Sea salt), lighting is minimum(kessil a80), small needle wheel skimmer with an air tube from outside(ceda)

New maxpect nano-tech biosphere filter media in sump

I’m using as a quarantine/treatment tank so I have no sand or live rocks.



First set up -> brightwell’s microbacter7 dosing for first week (60-70% of recommended use)

->bacterial bloom outbreak after first week

->30-50% water changes every other day, filter sock changes (more than 10 times a day due to continuous blockage)

->more bloom no matter how many filter or water changes

->40 days in I do a 100% reset with totally new saltwater and new filter just in case of left over bloom.

->no dosing whatsoever of anykind but bacterial bloom comes back in less than a week.

->10 days after full reset but same symptoms starting over again







<Main tank> 200L, 900x450x450 with sump below

Setup for 1 month.

Located right next to front door of office.

Heater 25C, salinity 1.023(Red Sea salt), lighting is minimum(maxpect ethereal)

used bacteria filter spheres from old tank from home

Aragonite sand and dead rock setting.


Set up-> no dosing of any kind.. just to watch how it cycles..
->first bacterial bloom and cloudiness within 5days after set-up.
->no recession and tank only seems to worsen (no way to manage tank due to overflowing of filter sock every other hour, air bubbles due to no water in return motor part of sump, etc.) so I reset this just to focus on quarantine tank.



I’ve asked online and friends about the issue and no one could give me an answer. Most people expect there to be large manual dosing(especially carbon source) but that does not seem to be the problem in this case.

I came across few reefers that seem to have similar problems due to alcohol(carbon source) in the air (bars, hospitals). But haven’t found a great solution to this problem and most people seem to give up.



My question is “Do I have any options for this outbreak? Or is this a lost cause?





 
First off I'ld stop with filter socks. Let the tanks circulate & build up bacteria. They have to cycle through nitrite then nitrate, Slow down and let nature do it's thing.
 
If it’s not going away after the tank has properly cycled and you are not dosing anything then I guess you could try running a UV filter.

I would also not bother with filter socks or bio media this early on. Are you using RODI water?
 
Also, any air fresheners used in the office? Cleaning sprays too close to the tank?

you said that the skimmer line is running “outside” where?
 
Also, any air fresheners used in the office? Cleaning sprays too close to the tank?

you said that the skimmer line is running “outside” where?

I don't use any air fresheners and use TDS 0 reading RODI water.
I use air going into the skimmer using a tube connecting oustside. (as in oustside air pulled into the skimmer)
 
First off I'ld stop with filter socks. Let the tanks circulate & build up bacteria. They have to cycle through nitrite then nitrate, Slow down and let nature do it's thing.
Thanks for the suggestion. I'll try not to disrupt anything.
 

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