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Re: blue-green algae and calcium
...SNIP...
> hard water. I almost never see it in planted aquariums in which half or
> more of the water is R/O (GH<5). Of course, limiting the calcium without
> addressing an overabundance of nitrogen or phosphorus won't make a tank
> algae free - another variety of algae will be happy to move in.
Well, I find that BGA is more than happy to move in my tank (always
GH<3, KH<3) if I forget to dose my nitrates. Of course I find that GSA
is more than happy to move in if I overdose them. Just makes me
appreciate more what nature does by itself.
Cheers,
Mark
------
pearlsco at u_washington.edu