I don't understand this

Ina klazina@orcon.net.nz
Wed, 27 Feb 2013 10:06:26 PST
Thank you again David!

Ina

Ina Crossley
Auckland New Zealand  Zone 10

On 28/02/2013 1:08 a.m., David Pilling wrote:
> Hi,
>
> ppm = parts per million
>
> There is a web page calculator for fertiliser here:
>
> http://www.firstrays.com/fertcalc.htm
>
>
>
> David Pilling
> david@pilling.demon.co.uk
>
>
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