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Re: K2SO4 - NO3 relationship



Kelly Beard writes:

> I can't hold out any longer...
>  
>  I've read numerous times here about folks adding K2SO4 to reduce 
>  nitrates.  How does this work?  In all of my adventures at The Krib, 
>  I've never run across this (not that it isn't there).  I don't 
>  understand the relationship.
>  
>  I know someone out there can help.
When the tank is K limited, N will build up.  Add some K, and overall
metabolism of plants increases.  This causes them to use up more nitrogen.
It's not a chemical reaction between the NO3 and the K2SO4.  It is just that
the plants will take up more of it.

Bob Dixon