Thread: Lucas Formula
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Old 04-29-2008, 07:03 AM
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Quote:
Originally Posted by screwdababylon! View Post
PEACE!!!!! any ideas what EC convertion should i use if my TDS monitor dont know shit about convertion?????? take a look at this one here -------http://www.tdsmeter.com/products/dualtdsmeter.html ........ i just dont know what to do theres nothing about convertion on it or in the manual that came with it!!!!!!!!! tnx in advance
Quote:
Originally Posted by screwdababylon! View Post
just got a response from their support service - EC conversion of that stuff i asked about is 0.5 - just in case
Quote:
Originally Posted by IMgreen View Post
PPM meters are either .5 or .7 and they all calculate PPM based on EC

I am feeding my plants at about 1300 -ish under HPS or .65 EC at .5 conversio

good luck screwdababylon!
You got the right conversion for Lucas and IMgreen is right as your PPM should be around 1300 when using HIDs and if you use R/O your plants will see every bit of it too.
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