Help! Mold in my fish tank?

Kristen Jang

New member
okay so i came back to my house and i realized green splotches on my plastic plants. Is it mold first off? If so why is it there?
I have one male betta in a 2.5 gal and I have been on schedule for water changes. what can be happening? Is it too cold...causes? treatments? consequences? Help?
thanks :)
 
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