My Tank Has Reddish Spots On Glass

  • We are currently upgrading MFK. thanks! -neo
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How long does it take to re-appear after you wipe it off? Also, what is your water change schedule? Does it re-appear right after a water change or take a few days to come back?
 
Another way to tell the difference between true algae, and cyanobacteria is to feel it, rub your finger on it.
Most true algae will have a slightly gritty feel.
Cyanobacteria is usually more slimey to the touch.
And red algae, can come in a variety of tints, some more red, some brown, some yellow.
While doing my microbiology studies, I had a text book dedicated to just the algae species of the U.S. western great lakes, there were over 1,000 different species.
Algae of the western Great Lakes area (1962 edition)https://openlibrary.org › works › Algae_of_the_western...
 
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Cyano. You can dose with chemi clean to get rid of it. It’s a sign that you have detritus build up and need to improve flow or maintenance practices.
 
fishguy1978 said:
Cyano. You can dose with chemi clean to get rid of it. It’s a sign that you have detritus build up and need to improve flow or maintenance practices.
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My filter motor broke down a week or two ago and I just got a new one and it’s up and running. My water change schedule is %30 every other week. All my fish are juveniles though.
 
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JustTheFish said:
My filter motor broke down a week or two ago and I just got a new one and it’s up and running. My water change schedule is %30 every other week. All my fish are juveniles though.
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I think you’re gonna want to test your water and post the results for the best advice
 
JustTheFish said:
It has made it on to my El Niño fern. Is it locked in that I should dose with chemi clean?
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Picture? Does it feel slimy? If so, then yes. Half dose for freshwater.
 
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