Trying the plastic thing to kill algae

sen5241b

Reef enthusiast
Holding it down with rubber bands and rock

plastic.jpg
 
I've never tried this before or even seen it. I guess it's to block out the light? What kind of algae are you trying to kill?
 
Just like a full tank black out but just one rock at a time.

Make sure you keep up with the water changes to keep the nutrients down. Otherwise, the algea will start growing on other rocks.
 
I think it will work but will take months to completely kill it.

You are probably right. I took it off after 5 days and the Red Macro-algae I am trying to kill only a slight die back. I know some people have used plastic to kill green hair algae in only 3 days but this red stuff is hard to kill.

I used black plastic from a garbage and folded it double bag but I think some light goes right thru it. I'm going to try something that will completely block out the light for 5days.
 
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