Re: [APD] Re: excess

["S. Hieber" <shieber at yahoo_com>]

Well, I can only repeat what I learned from Tom Barr. But I
think his view has changed over time. 

sh
--- Thomas  Barr <tcbiii at earthlink_net> wrote:
> 
> >>TB: "Which begs the question: what are excesses?"
> 
> >The flip side of that is: Once there is 'enough' why
> does 'more' do any good?
> 
> >TW 
> 
> Simple, it's a much easier "target to hit" than "just
> enough" and riding the precipitious edge of a nutrient
> deficiency. It also mean you have longer periods in
> between dosing before you drop below a critical level so
> there are always non limiting conditions.
> 
> I do not need to know information (that is often not
> available) to cure algae issues and plant health
> issues(they are often much the same thing=> healthy
> 
> If we add more, it's fine.
> Fert's are cheap.
> 
> I'm not suggesting adding a great deal more, but a good
> buffer to prevent any chance of deficiency. 
> 
> Why micromanage and tweak when you simply do not have to
> nor gain much from it? Which is an easier routine?
> Some folks work better doing daily things and tweaking,
> some could not give a hoot. Habits play a role here more
> than the routine. This excess dosing routine also applies
> to non CO2 planted tanks as well as CO2 enriched systems.
> 
> But you do not need to dose high levels, but they also
> have not shown to cause issues in terms of algae or poor
> plant health/growth rates. Adding high PO4 also addresses
> green spot algae, most folks really don't like that.
> Adding high CO2 addresses BBA issues as well as many
> other species. Adding higher NO3 addresses BGA. Adding
> excess levels of traces brings out deeper colors and
> sheen to many species. 
> 
> There is "enough" CO2 in non CO2 tanks to grow plant
> wells, so why add more?
> There is "enough" light with 2w/gal, so why add more?
> There is enough KH at one degree, why add more?
> There is enough Ca and MG at 1 degree GH, why add more? 
> 
> I addressed your question, now it's your turn to answer
> mine.
> What are excesses? When does it become excessive?
> 
> 
> Regards, 
> Tom Barr
> 
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