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Posted by 2pods on October 20, 2005, 7:34 pm
Please log in for more thread options > Just out of curiosity, why would you want tufa? It absorbs nitrate like a
> sponge until saturated when it will leach back into the aquarium where it
> could cause problems. Do you want to use it for pH buffering? If so, a
> small bag of coral sand in the filter or in the water flow will help.
>
> Regards
>
> Mark
> --
> www.marksfish.me.uk
>
Yes, I want it for pH buffering
I can't even get coral gravel here.
As for the nitrate:
Luckily for me, my three tanks are heavily planted, so what little nitrate
there is (usually about 5-10) is absorbed by them.
Peter
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> LFS can't seem to get any
>
> Peter