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Re: Second Cacautoides Free Swimming!!
yeah Bob is correct
(you really need a newbie like me telling you this dontcha bob ;)
My test kit says multiply ppm by 0.056 to get dH so 70ppm is 3.92
Im pretty lucky my tap water measured at 50ppm or 2.8dH. I dont understand why
Sydney people arent into dwarfs more :(
Steph
IDMiamiBob wrote:
> Vicky writes:
>
> << I have a hardness test unit, with the 3 bottles of chemicals, and the
> > solution turns blue at 70 PPM. Then you gotta multiply that value by some
> > other number to get the DGH. It worked out to about 40.2 out of the tap. >>
> >>
>
> The formula is to DIVIDE by 17.4. 70/17.4 =4.02. Somewhere you are getting a
> decimal point off by one place. DH of 4.0 is about right straight out of the
> tap for a number of Apistos and West Africans. Others will need it somewhat
> softer.
>
> Bob Dixon
>
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