Originally Posted by toastedtoast
I've had a bit of a staghorn(?)
I did water testing and my nitrate was way down. Between 5 and 0ppm.
Perhaps KNO3 (potassium nitrate) would help. For when my nitrates were that low I had chronic problems with BBA (black brush algae). Good source for that is dry
and seachem nitrogen, which is cheapest at LNT.com