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"Sandy Birrell" wrote in message ...
Scott wrote: doesn't it have to get into the tank on plants or from water that fish come in? It is everywhere, it has even been found thousands of feet up in the atmosphere. It is a bacteria, you can dry it out and years later add water and it will grow. It doesn't need light to live and it can process the nitrogen in the air to feed. The only way to realy kill it is to use an anti-bacterial agent. HTH. No, this is not true. This tgenus is Oscillitoria, they don't use N2 gas unless they have heterocyst, no heterocyst, no N2 fixing. You have generalized an entire group here and the species that infest our tanks is a particular species. You can kill it with antibiotics but then the air born spores land and 20-30 days later you can get it again. Mt St Helens had it after 20 days after the blast in 1980. Fire ecology finds these genus appearing 20-30 days an intense fire. And it does in fact need light to live and grow. The spores are very resistant, but the tank you have has is in there, it's waiting for the right conditions to grow. That's why I suggest adding KNO3, generally, low N levels cause it to occur with poor plant growth stunted from a lack of N. The BGA is NOT N limited in the least, you don't have a test kit that can measure the needs and limits of BGA. Well unless you work at research lab specifically on water quality parameters and can speciate BGA's. I do and can. Regards, Tom Barr |
#17
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"Craig Brye" wrote in message ...
BINGO... No light will temporarily eliminate it, but it will come back if you haven't changed the reason you got it in the first place (water parameters). -- Craig Brye University of Phoenix Online "Sandy Birrell" wrote in message . .. Scott wrote: this is getting confusing, I have read and been told that blackouts kill the bacteria because it needs light to live and that a two to four day blackout should kill all the bacteria in an aquarium. are you saying that blackouts cannot work? The blackouts will kill the chlorophil in the bacteria, but not the bacteria itself. Once this is done you then have to make sure all your water parameters are right, and keep them that way, or it will just come back again. To get rid of it completely you have to kill the bacteria. Read the rest of this thread, you will find there are more ways to deal with this than you will have time to try -- Don`t Worry, Be Happy Sandy -- E-Mail:- Website:- http://www.ftscotland.co.uk Looking for a webhost? Try http://www.1and1.co.uk/?k_id=2966019 And that's why I said kill it first, then add the KNO3 thereafter. You need to remove or kill(cause senscence) whatever is there, THEN correct the issue which was poor plant growth(NO3 limited plants). This is true for any algae/plant combo. Remove the algae/kill it etc, then correct the plant growth problem. Even if you managed to kill it all with drugs, 30 days later you'll have air born in your tank again unless you practice sterile technique and have the tank sealed/filtered air etc. Regards, Tom Barr |
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