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runoff PPM extremely high.
noobiiistarted grow question 3 years ago
So, I am using tap water and its ppm is between 300-400. However I just checked by runoff water PPM and it came over 2500 with ph around 6. I have not used any fertilizer whatsoever and the soil is BioBizz Ligth Mix. What could be causing this issue?
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Organomananswered grow question 3 years ago
If your plant is growing well, is there a real problem?
Your high readings are probably from the fertilizers the manufacturer added to their soil mix.
Hempraceanswered grow question 3 years ago
Your substrate (soil) will have nutrients already. You do not really need to add anymore at this stage.
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