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Black Slime Algae



 
 
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  #11  
Old November 2nd 04, 09:13 PM
Eric Schreiber
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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
  #12  
Old November 2nd 04, 09:42 PM
Eric Schreiber
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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.


BGA are(the species we deal with), as are all algae/plants, totally
dependent on light.


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.)


Antibiotics do work, my point is not that Myacin does or does not
work, I just offers a better method that takes 3 days and is 100%
free and addresses the long term problem that you have.


Well, the ehtromycin is effectively free, since I already had it on
hand. My supply expires in a few months, so it's not as though I'm
likely to lose use of it by employing it against BGA.


Lots of comments that Blackout does not work?
Name one that has done the method I suggested in honesty, and it has
not worked? Even one?
anyone that claims the 3 day blackout I suggest does not work is
frankly full of crap.


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.



--
Eric Schreiber
www.ericschreiber.com
  #13  
Old November 3rd 04, 10:51 AM
Happy'Cam'per
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"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!**


  #14  
Old November 3rd 04, 10:57 AM
Happy'Cam'per
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"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.



  #15  
Old November 3rd 04, 11:10 AM
Scott
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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



  #16  
Old November 3rd 04, 11:11 AM
Michi Henning
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"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

  #17  
Old November 3rd 04, 12:00 PM
Happy'Cam'per
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"Scott" wrote in message
news
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!**


  #19  
Old November 3rd 04, 01:25 PM
Happy'Cam'per
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"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!**


  #20  
Old November 3rd 04, 03:59 PM
Scott
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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
news
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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