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high ppm
Nursestarted grow question 5y ago
The ppm of run off from the pots is 2000 and the pH is 6.2. The plants are in the fourth week. At what pH should I water the flowers to reduce the ppm?
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Nurseanswered grow question 5y ago
Hello, thank you for answering. I use city water. But the ppm of the city water is very high here. I did not add any fertilizer, I just lowered the pH. With a pH of 6.8 ppm 400 500
MrGreenMananswered grow question 5y ago
If your run off is that high then you need to flush. And you need to get a Reverse Osmosis rig to clean out your tap water, can’t be having that high a ppm without nutrients. I suggest you research this more, plenty info online
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Autoflowerdummyanswered grow question 5y ago
You reduce the ppm by adding less nutrients to the water. What’s the ppm of the water your putting in?
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