how do you figure out PPM? [Archive] - Green Grass Forums

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kronos416

01-05-2008, 05:01 AM

Can somoen explain how you figure out PPM (parts per million)
Thanks

Weedhound

01-05-2008, 05:16 AM

Oakton Products (http://www.4oakton.com/products.asp?parent=50&prod=51)

With a meter....ppm is also called TDS....total dissolved solids

dejayou30

01-05-2008, 07:26 AM

The meter figures it out for you!

kronos416

01-05-2008, 08:59 PM

Thank you.... anywhere i can pick one up for a good price at?

kronos416

01-05-2008, 09:03 PM

These TDS or PPM meters are just used for hydro setups? and not soil correct?

Opie Yutts

01-05-2008, 10:34 PM

I know mine are just for hydro. And PPM is a calculation based on what EC reading your PPM meter comes up with. Ebay usually has the best deals, and remember you usually get what you pay for.

cwesto

01-05-2008, 10:55 PM

I know mine are just for hydro. And PPM is a calculation based on what EC reading your PPM meter comes up with. Ebay usually has the best deals, and remember you usually get what you pay for.

Right on