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2700ppm
Juniperstarted grow question 4 years ago
Finally got myself an EC meter
Gave 2L of RO water at 5ppm and the runoff was at about 2700 ppm??
The soil I am using have slow release fertilizer in it
and assuming I can’t replace it
what can I do??
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Feeding. Chemical composition
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The8thChevronanswered grow question 4 years ago
Don't finish the watering with 1400 ppm! Water with regular pH'd water, no nutrients. She has plenty of nutes built up in the soil, she doesn't need fresh nutes yet.
Get it down to 1500 ppms first, then reintroduce whichever nutrient she needs most. If you're vegging, then she will need N and micros. If you're in flower, then she will need more P and K. This way she won't experience any deficiencies in the meantime. Keep the ppms low until she gets down to where you want her.
Juniperanswered grow question 4 years ago
@The8thChevron
Tank you for the advice brother
🙏
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Juniperanswered grow question 4 years ago
I did a test wash to gsc#1
ran about 3L of
about 3L of 6.5 1350μs/cm water through a 0.5 pot
Checked the ph and ppm about 1/2 way through the watering
and got about 2000 ppm
And finished the watering at about 1400 ppm and 6.7 PH
Was this procedure to aggressive for the plant?
should I flush with less water next time?
Based on the fact that my plants survived this far with such high ppm values what is the best route here?
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Happy_Farmeranswered grow question 4 years ago
Hey mate!
Maybe is better To buy a flush nutrient!
But check the plants, if they looks healthy keep adding r.o water till the ppm drop a beat!
Wish it helps!
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The8thChevronanswered grow question 4 years ago
Flush it. Give her another 2L and measure again. If you can get her down below 1500ppms, you're in the high end of the safe zone. From there, just water with pH'd water until your ppms are where you want them.
Flushing will stress her, btw. He roots will be starved of oxygen for a day or two so she will get a little droopy.
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