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So I used nothing but Jacks for a turn (ebb flow), using a commercial agriculture Humic Acid product as a pH up (pH about 11 ironic for an "acid"), I had no issues really keeping my res' within the 5.5-6.2 range, running 5.8-6.0 90% of the time once dialed in. So I kicked off this turn with Yara 202020, because cheap, and I got tired of beating my old bag of cal nitrate with a hammer. For Veg, not a big issue. In Flower, now I can't keep my pH from constantly rising. I'm burning thru acid...
Nutrients, Yara 20-20-20, Jacks 321 pH stability
Nutrients, Yara 20-20-20, Jacks 321 pH stability
from Hydroponics / Aeroponics
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