Fuzzy stuff on plants

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scottwww

Aquarium Advice Newbie
Joined
Jun 2, 2021
Messages
2
What is this fuzzy stuff, and how to get rid of it? It may be the same stuff that led to the green slime infestation the aquarium had until a couple months ago when I cut off the lights for a few weeks, cleaned the filter, and did about 80% water change. It seemed to do the trick. Is this what it would look like before green slime? How can I get rid of it more permanently? I hope to not have to cut out the lights, or to go to plastic plants.
 

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Is a chemical like one of these advisable? Livestock is a group of Panda Corys that have been in the tank for 6 or 7 years. There is also a group of new Koi Angels for the last couple weeks.
 

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