Black posterboard background???

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kmny34

Aquarium Advice FINatic
Joined
Feb 26, 2013
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If I have my tank in front of a window will a Black Poster board background (which will block the sunlight) keep the light from causing algae in my tank???
 
You'll still have some algae, but everyone does. I would think that it would surely cut down on the amount caused by sunlight, though.
 
I use cardboard (from a cereal box) to block the light from a nearby window from entering the filter. It was getting a growth of filmy algae. I just checked it and it seems to be working well.
IMG_3481.jpg
And if you were wondering, the leveling part of the filter broke off so a short length of PVC pipe and double sided tape is in its place.
 
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