[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [APD] dropchecker setup
> > The standard dropchecker recommendation seems to be to use a 4 dKH reference
> > solution so "perfect green" indicates 30 ppm CO2. But when I plug that
> > value and +/- 2.5 into your calculator at http://dropcheck.petalphile.com/
> > I get an error/warning msg that doesn't make sense to me...
> I use this CO2 graph.
> A bitmap and Excel sheet version I put together.
It appears that using pH & dKH to infer co2 levels is prone to error because it
assumes all buffering [alkalinity] is being provided by carbonates. How prone
to error? I have no clue.
Carlos wrote "drop checkers use DI/pure water [and sodium bicarbonate] to remove
the chance of any other buffer" [altering the inferred co2 reading.]
Aquatic-Plants mailing list
Aquatic-Plants at actwin_com