What is the maximum NO3 for fished ?

[Philippe Lemaire \(remove oldies\)]

Philippe

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On Apr 1, 11:40 am, "Philippe Lemaire \(remove oldies\)"
> wrote:
> Philippe

Depends on what source of NO3 is used, fish waste and KNO3 are two
very different things. See my and Richard's post, I went to 160ppm ,
Richard to 200ppm with no ill effects on fish.

Regards,
Tom Barr

[Philippe Lemaire \(remove oldies\)]

wrote:
> On Apr 1, 11:40 am, "Philippe Lemaire \(remove oldies\)"
> > wrote:
>> Philippe
>
> Depends on what source of NO3 is used, fish waste and KNO3 are two
> very different things. See my and Richard's post, I went to 160ppm ,
> Richard to 200ppm with no ill effects on fish.
>
> Regards,
> Tom Barr

Thanks !

I use mostly Mg(NO3)2.6H2O as my tap water has only Ca in it...
Somehow my K stays at about 50 ppm !

Philippe