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Is this black hair algae ?

Chriseb1

New Member
Joined
13 Sep 2023
Messages
18
Location
Huddersfield
As per title is this black hair algae ? will hydrogen peroxide clear it ?
Tank is 180 litre with a Kessil a360x light running 8 hours with intensity set at 40%, think it was the intensity that has caused it as it was previously up at 60%
 

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