brown stuff? pics

supernareg

New member
so this brown / bronze looking stuff decided to take over my powerhead and my rocks n stuff. i have some brown / green algae or diatoms on my sandbed.


is this a cycle? this is in the tank that the ammonia was really high. its a mature tank, i dont know why its cycling?


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jjirsa78

New member
You can get diatom/cyano blooms anytime there are high nitrates - doesnt have to be a 'cycle' (with ammonia spike), but that would certainly cause it. Could simply be overfeeding / rapid processing of ammonia -> nitrite -> nitrate by your established bacteria, and not enough in the system to remove the nitrates.

Water change + siphon algae + feed less, you'll be fine.
 
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