Am I feeding my brown algae? Sandstones

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lbanner

Aquarium Advice Regular
Joined
May 13, 2015
Messages
50
Location
Cleveland, Ohio
I will probably sound silly asking this, but is it possible that some sandstones I placed in my tank recently are feeding brown algae? I haven't had algae previously, and the tank has been cycled since early July.

Nothing else has really changed, except possibly a little more light on the tank due to changing seasons.

I don't want it to get out of control, but the stones are also very pretty so I don't want to remove them unless needed.

Water parameters are all stable at: Am 0, Ni 0, Na 5, pH 8.
55gal with two fantails

Edit: NOT a planted tank. Large gravel for substrate. Tons of pothos growing from HOB filter. 30-50% water changes every seven days with 1/3 substrate vaccuum each water change.

Thanks!
 
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