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Re: ca deficiency in swords
On Thu, 15 Feb 2001, C. K. Lee wrote:
> I've got some hygrophila that needs calcium as well, I think, and I'm
> wondering what sort of calcium tablets you're using (brand, ect). I'm
> worried if there're other ingredients in the calcium tablet that might
> not be compatible, but if you've been using it for a while with no
> effects ...
I described the tablets in another letter in this digest. They were
Sundown brand, but that doesn't make much difference.
> How often do you plug them into the substrate?
I use them when deficiencies appear. In the case of the H. Corymbosa,
I've used them twice in the last year.