Basic ppm question for everyone please :)

  • Thread starter Neezyweezy
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Neezyweezy

Neezyweezy

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Ok so say my starting tap water source is 180ppm.

i want to feed 700ppm. So after i mix all my nutes would i want it to read out 880ppm or 700ppm?

Do the starting minerals of 180 ppm do anything for the plant ?
 
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