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Discussion Starter #1
My Crinum has developed a growth from the upper portion of the stems. At first these looked like polyps that come out of corals but now the stay out all day. They are gray and look like wool. I have no idea what this, what I should do about it and if I should be concerned. Please any advice would be greatly appreciated.
 

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That's algae, just clip the leaf below the affected area and discard.
 

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Discussion Starter #3
It is not on anything else in the tank. I have heard of dipping in 25% bleach and water solution will that work do you know?
 

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Do not remove and uproot this plant, it hates it more than most any other aquatic plants.

Try a squirt of H2O2 and that will kill the BBA. Increase your CO2 also.
See post on H2O2 spot cleaning.

A couple of mls and turn off the filters/current etc in the tank and apply some slowly to the area infested.

You can also use a small bag to cover the area infested and then add the H2O2 to that and prevent it from dissolution as fast.

Regards,
Tom Barr
 

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I Think it could be a response of a disequilibrium for increase of phosphates, can be? If you don't identify the problem and correct it the algae it's going to come back. Maurici.
 

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Discussion Starter #6
plantbrain said:
Do not remove and uproot this plant, it hates it more than most any other aquatic plants.

Try a squirt of H2O2 and that will kill the BBA. Increase your CO2 also.
See post on H2O2 spot cleaning.

A couple of mls and turn off the filters/current etc in the tank and apply some slowly to the area infested.

You can also use a small bag to cover the area infested and then add the H2O2 to that and prevent it from dissolution as fast.

Regards,
Tom Barr
Thanks Tom, my CO2 is at 30ppm go higher than that?
 

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Discussion Starter #7
Maurici said:
I Think it could be a response of a disequilibrium for increase of phosphates, can be?
Can you re-word this please. I check and dose every other day. Nitrates have never gone below 5 ppm in the last 2 months. PO4 is 1-2 ppm the 2 not by my intent. CO2 I only measure around 5 PM daily and it is right at the 30 ppm around 6.6 on the pH and 70 ppm KH.
 
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