Begin of this week I started to notice these green algae on my window. The Oto’s are on this side of the glass a lot but they don’t seem to eat it, or are unable to get it of the window.
I’ve tried myself, and it doesn't come of easy. I could only get it of with a circular motion of the sponge/scrubbing-pad. The Scraper doesn’t seem to do anything to the algae.
So I did a waterchange, and closed the curtains to see how it will grow without the sunlight.
After the maintenance I noticed that I’ve failed to remove all of the algae. It’s been two days, and I can say it seems to grow at a very slow rate if at all. At the next waterchange I will remove it again, hopefully completely this time, and keep the sunlight of the tank for another week.
As long as it’s controllable this way I won’t do anything radical like use algizit or take out the nutrient soil.
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