Can this be fixed?

rebel

Member
Joined
4 Aug 2015
Messages
2,092
Trim it hard and it should grow back. Other option is to use one-two punch method (use half dose first; careful with livestock) and then trim it hard followed by a masive water change/vacuum.
 

akwarium

Member
Joined
20 Feb 2010
Messages
187
Location
Haskerhorne, Netherlands
Green hairy algae is often associated with not enough CO2<-> to much light. If you can add more CO2 then do so, and if not: lower the light.
Remove as much of the algae as you can, or hire some amano shrimp (caridina multidentata) to do it for you.
 
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