> I am thinking of syphoning alot of this out and replacing it with just
> carribean play sand, but cannot find it anywhere.
> now I know there are many sources for cyano, but I think this larger sized
> sand is trapping alot of gunk, and it is not cunducive to fauna in the sand
> bed.
> any suggestions? or anything I should expect when I syphon some sand out??
> also I am getting alot of red and green looking alage under sand surface
> against glass. any ideas on stopping it?
There is absolutely no harm in the algae under the surface. It is quite
normal. Cyano blooms are a result of high phosphates. Are you dosing
limewater? Do you have a skimmer? If so, make sure it is functioning
properly.
>
> one last thing, when I upgraded to my 400w mh last year i didnt think about
> a few things, one: its too much fer my tank, and 2: all my pink and red
> corraline algae is gone. replaced by the green variety. I think this is a
> high light species of it.
> Anythoughts on bringing back the pink?? under high light situations?
Won't happen.
Marty
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