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Happy'Cam'per wrote:
They are indeed photosynthesising, why are they green?? While Cyanobacteria can photosynthesize, that is not it's only source for nutrients. It is not a plant - it is a bacteria. Unlike 'regular' algae, it is not dependent upon ammonia related products (including nitrite and nitrate), and can directly process molecular nitrogen. Since it isn't dependent upon photosynthesis, a blackout may stunt it but won't kill it - it can employ other food sources. You would feel much more accomplished if you defeated the beast without the aid of antibiotics! Do deep gravel cleanings and clean out your filter thoroughly, 70-80% waterchange. I'm not seeking a sense of accomplishment, I'm just trying to get rid of the BGA. I've done *loads* of gravel cleanings, scrubbing, water changes, and filter changes. In my experience, as long as the conditions in the tank support BGA, any cells that escape the cleaning will spawn the problem over again. -- Eric Schreiber www.ericschreiber.com |
"Eric Schreiber" eric at ericschreiber dot com wrote in message
news:Ur-dnT5Q_8XQYhrcRVn- I appreciate your strong opinion, but I find equally strong opinions in the other direction. The Krib has discussions on the subject, and I found numerous mentions via Google as well. How old is that info on the Krib, and how qualified were those ppl making the statements? BGA are not plants, they are bacteria. Though photosynthesis is the preferred mode of nutrition, it is not the only method. (Palinska, Katarzyna A; Horgan, William J and Krumbein, Wolfgang, E (May 2002) Cyanobacteria. In: Nature Encyclopedia of Life Sciences. London: Nature Publishing Group. The bacteria have a symbiotic relationship with the photosynthesising systems, if one shuts down, gradually they will die, they cannot function properly without each other. Ok, thanks, but I'm REALLY not interested in a holy war. You've clearly got a lot of emotional investment in the subject, and I'm afraid I really don't care enough to get into a protracted discussion over it. Oh Come on Eric, I think its my turn this time to tell you to get a thicker skin. Tom is offering you perfectly fine advice and you're throwing it back in his face, he offered to help you out and then you get defensive!!! Use those antibiotics of yours and I'll bet in 30 days time it'll be back again, really, I've been through this myself. You also run the risk of openeing up your fish to parasites who will be keen on taking advantage of the fish's weakened immune system, antiB's will affect the fish's slime coat and possibly nuke your filter. Be careful. Be sure to let us know how it goes. -- **So long, and thanks for all the thick skin!** |
"Eric Schreiber" eric at ericschreiber dot com wrote in message
... algae, it is not dependent upon ammonia related products (including nitrite and nitrate), and can directly process molecular nitrogen. I too thought this but its not true. The type of Cyano that infects OUR fish tanks does not have the ability to fix Nitrogen, its wrong. Apparently only Cyano with heterocysts have this ability. The species in our tanks are sans heterocysts and therefore rely on a Nitrogen source for food. Since it isn't dependent upon photosynthesis, a blackout may stunt it but won't kill it - it can employ other food sources. See above... I'm not seeking a sense of accomplishment, I'm just trying to get rid of the BGA. I've done *loads* of gravel cleanings, scrubbing, water changes, and filter changes. In my experience, as long as the conditions in the tank support BGA, any cells that escape the cleaning will spawn the problem over again. Where do you think it came from in the first place? Once you dose those anti'B's you're going to kill alll the Cyano cells but the conditions in your tank will remain the same, they will return once the AB's wear off. |
I only recently got rid of the blue green algae in my aquarium, after a year
of it growing inch's in size every day. I tried blacking the aquarium out five or six times. each time the blue green algae disappeared after three or four days, but a week or two later it always returned. I put that down to not doing them for long enough but I even tried a six day blackout, and a four day blackout followed by a three day blackout, two days later. and I wrapped my tank up in tin foil, towels, sleeping bags, and all sorts to keep the light out. I finally got rid of it a month ago by using Maracyn. it seems to be gone for good this time. from what I can tell from my experiences with blue green algae it doesn't matter what the water parameters it will still have enough nutrients to be able to grow. it seems to be more to do with bad luck than anything else, if you get it in your tank. Scott "Troy Bruder" wrote in message ... Anyone got any good remedies for black slime algae covering everything in my tank?? I keep cleaning it out, and doing massive water changes, but it still keeps growing!! Arrrgghh! Heavily planted tank CO2 injection ph 6.8 |
"Happy'Cam'per" wrote in message
... Where do you think it came from in the first place? Once you dose those anti'B's you're going to kill alll the Cyano cells but the conditions in your tank will remain the same, they will return once the AB's wear off. According to Tom Barr, a common cause of BGA outbreaks are too low levels of NO3. Do the five day black-out thing, turning off CO2 during that time, and don't fertilize for those five days either. Then do a large (50%) water change, and dose 10-15ppm NO3. Keep CO2 in the 20-30ppm range. Apparently, that puts paid to BGA. Cheers, Michi. -- Michi Henning Ph: +61 4 1118-2700 ZeroC, Inc. http://www.zeroc.com |
"Scott" wrote in message
... I only recently got rid of the blue green algae in my aquarium, after a year of it growing inch's in size every day. I tried blacking the aquarium out five or six times. each time the blue green algae disappeared after three or four days, but a week or two later it always returned. I put that down to not doing them for long enough but I even tried a six day blackout, and a four day blackout followed by a three day blackout, two days later. and I wrapped my tank up in tin foil, towels, sleeping bags, and all sorts to keep the light out. I finally got rid of it a month ago by using Maracyn. it seems to be gone for good this time. from what I can tell from my experiences with blue green algae it doesn't matter what the water parameters it will still have enough nutrients to be able to grow. it seems to be more to do with bad luck than anything else, if you get it in your tank. Well the blackout worked for me!!!!!!!!!! You must have that same tenacious new species of Cyano that Eric has... :-) -- **So long, and thanks for all the fish!** |
"Eric Schreiber" eric at ericschreiber dot com wrote in message
... wrote: Thiose comments are patently incorrect. Nothing personal, but they are. It's that simple. I appreciate your strong opinion, but I find equally strong opinions in the other direction. The Krib has discussions on the subject, and I found numerous mentions via Google as well. yup, I have seen numerous posters saying the same thing in various plant forums and also in this newsgroup as I have been lurking. Blackout had no affects at all. But some people just can't seem to believe that just because something seemed to work for them does not mean it is written in stone and works all the time. -- Margolis http://web.archive.org/web/200302152...qs/AGQ2FAQ.htm http://www.unrealtower.org/faq |
"Margolis" wrote in message
... "Eric Schreiber" eric at ericschreiber dot com wrote in message yup, I have seen numerous posters saying the same thing in various plant forums and also in this newsgroup as I have been lurking. Blackout had no affects at all. But some people just can't seem to believe that just because something seemed to work for them does not mean it is written in stone and works all the time. Tom suggested 'a process to follow'. Surely that cannot be that difficult to comprehend. Follow the instructions to the tee and I bet my ass it will cure your BGA problem. It's worked for dozens if not hundreds of folks. Follow the directions!!!!!! -- **So long, and thanks for all the fish!** |
I'm surprised they haven't made a horror movie about the stuff that was in
my aquarium. "Happy'Cam'per" wrote in message ... "Scott" wrote in message ... I only recently got rid of the blue green algae in my aquarium, after a year of it growing inch's in size every day. I tried blacking the aquarium out five or six times. each time the blue green algae disappeared after three or four days, but a week or two later it always returned. I put that down to not doing them for long enough but I even tried a six day blackout, and a four day blackout followed by a three day blackout, two days later. and I wrapped my tank up in tin foil, towels, sleeping bags, and all sorts to keep the light out. I finally got rid of it a month ago by using Maracyn. it seems to be gone for good this time. from what I can tell from my experiences with blue green algae it doesn't matter what the water parameters it will still have enough nutrients to be able to grow. it seems to be more to do with bad luck than anything else, if you get it in your tank. Well the blackout worked for me!!!!!!!!!! You must have that same tenacious new species of Cyano that Eric has... :-) -- **So long, and thanks for all the fish!** |
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