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Cryptocorynes Cryptocoryne plant species consists of 50+ plant species, and make a unique addition to a planted tank.

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Old 05-08-2019, 09:09 AM   #1 (permalink)
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Default crypt spots

I just noticed all my crypts are getting small perfectly round spots on some leaves 1/8 to 1/4 " in diameter and smaller. What in the heck is this? thanks
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Old 05-08-2019, 10:31 AM   #2 (permalink)
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Default Re: crypt spots

Do you have a picture of the spots? It could be green spot algae, which does make small round spots on the glass, the hardscape and the leaves. What color are your spots?
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Old 05-09-2019, 07:59 AM   #3 (permalink)
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Default Re: crypt spots

thanks, the spots do not scrape off the leaves....
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Old 05-09-2019, 04:38 PM   #4 (permalink)
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Default Re: crypt spots

I would say those spots are weird, but I'll bet anything several people here know exactly what they are. They just haven't spoken up yet.
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Old 05-13-2019, 04:46 AM   #5 (permalink)
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Default Re: crypt spots

I am removing all infected leaves as much as possible. I am doing more water changes. I have never had this before and it nails all the Crypts in tank. The weird thing is the spots are perfectly round....just enlarge with time and seem to be dug in to infected/affected leaf cells.
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Old 05-19-2019, 04:31 AM   #6 (permalink)
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Default Re: crypt spots

OK it is green spot algae. It is growing on all plants. time for war!
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Old 05-19-2019, 06:07 AM   #7 (permalink)
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Default Re: crypt spots

Oh, the round shapes are probably algae. Lower your light intensity will help with gsa.
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Old 05-19-2019, 08:13 AM   #8 (permalink)
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Default Re: crypt spots

More phosphates also discourage green spot algae. Since I have been dosing double the recommended ppm of phosphates, about 10 years now, I have not had any of it in my various aquascapes. That may be a coincidence, but I doubt it.
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