White stuff on fish tank decorations: Is it algae? Will it harm?

Question

my fish tank has a bunch of white stuff on his decorations will that hurt him and do u know what it is. Pet's info: Fish | Betta | Male | neutered

Angel Alvarado, LVT · Accepted Answer

It could be algae growth. If it isn't on your Betta, there is likely no cause for concern. You can remove the decorations, scrub them down, rinse them well and return them to the tank. Perform a partial water change using conditioned water and clean the filter media if necessary. Do not overfeed or keep a light on for more than 8-10 hours. This will promote the growth of algae.

White stuff on fish tank decorations: Is it algae? Will it harm?

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