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This is gonna sound like a rookie question but i am kinda new so...... i got some pH up and down and im planning on using it for soil. Now to bring the pH of the soil up would i simply pH some water to like 9 then water normally til it stabilizes? And would it be the opposite for bringing it down? My girls big fan leaves went from green to yellow in like 2 days and it was after i feed so im gonna check the soil tonight to see what i need to do with it so any help would be great thanks again.
I'm not too sure but one of my plants lower leaves began to turn yellow after feeding and I heard this is due to lack of nitrogen, but I just added a 20% nitrogen mix, I also have a large amount of alkali soil, I don't know what it is but I also need help for this question too
Ph levels are different for hydro and soil, i usualy have mine around (6.3-6.5) for hydro and a higher alkaline for soil (6.7- 7.1) Usually if you are getting yellowing of the leaves and are using a high nitrogen mix duing veg growth , you will have nutrient lock out from improper PH levels casueing the plant to lock out certain nutriants, only way to fix this is to make a heap of flush water with correct ph levels and no nutrients and flush ur pots