shabahang
Aquarium Advice Activist
I have started my tank about 2 months ago and everything looks good as well i do regular water change every 15 days however there is alot of oil looking things on my tank surface please help
Please help, i think there is oil on my tank surface
- Thread starter shabahang
- Start date
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Mebbid
Aquarium Advice Addict
It's a biofilm. It's normal for tanks to get that. A surface skimmer or increased surface agitation will take care of it.
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