I've read that the brown algae on decorations, plants and glass is not an uncommon symptom of starting a new tank, so I am not surprised to see it appear a few weeks into my first aquarium (30 gal). The consensus of what I have read indicates that this will run its course as the tank matures. My questions is whether I should remove it by scrubbing it off the rocks and plants or allow it to run its course? I do wipe the small spots off of the glass.
I also lost one of my seven guppies a few days ago. A tequila sunrise guppy who floated kind of listless in a top corner for a few hours before jerking around spasically for about 15min before dying.
I haven't read anything to make me think that the relatively minor amount of algae growth I am seeing would harm fish, so is this a coincidence?
I have been testing the water regularly for ammonia, nitrate, nitrite, ph, alkalinity and hardness with results that are consistently in the "safe" areas except the water is a bit hard. Additionally, I have done 20-30% water changes every few days.
Brown algae: remove or wait?
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