Dirtbag
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going in or coming out?
I wouldn't use the meter to measure solution pH, but I find they are reliable (agree with other tests) in soil if used correctly. If I act on what they say, my plants improve. You have to use them in moist soil, and leave them in the ground for a couple mins, to get an accurate reading.But I gather you are using one of those cheap ph meters you stick in the soil. Those things are not to be trusted. Only way to truely know is test the nutrient solution on both ends with a proper calibrated ph meter. Anything else is just guessing.
But I gather you are using one of those cheap ph meters you stick in the soil. Those things are not to be trusted.
Is that the ph going in or coming out? Either way thats not great. And ppm? What are you feeding?
Pine bark is also very acidic and will throw the ph of the nutrient solution out of whack . You want ph going in between 6-6.5 and coming out the same.
I wouldn't recommend you didn't do any of the above. You've gotten good info previously in this thread, stick with it for best result opMan the Ph should be 5.5-6.5 max and I lean way more on the 5.5 side or as someone else said it’s locking them out, flush them for a bit with water and a lower Ph like 3 days then reintroduce nutes.
Go easy on the nutes. Easy to overdo. I fertilize once a week at most, and use about 3/4 strength. Thats plenty to grow trees. Today...Just wanted to give an update. Got the new meter and PH is now running between 6.0 and 6.7. Thanks for all the help! Fed em with fox farm yesterday and I can already see a difference.
Oops I just noticed my autocorrect typo!I wouldn't recommend you didn't do any of the above. You've gotten good info previously in this thread, stick with it for best result op
Hey everybody, on the high ph soil note, how do you lower ph of soil?
My soil is organic, about 7.0ph and I grow in fabric pots. What’s there to do to lower it to 6.5?
Thanks for your input
Don't worry about soil pH in organic soil. Actually a pH of 7 in soil is the optimal pH. Thats according to all the state extension services that do soil testing in the US. 7pH is optimal. You don't need to fuss over it. Just water and watch the plants grow. You'll be fine.
Respectfully disagree.
I run no-till and get my soil tested and re-tested.
Started out in 2016 with soil pH of 6 or slightly less.
2019 got soil tested again - same soil only thing grown in it was cannabis and no amendments. Used soil tested @ 7.0pH Which is optimal and why the plants themselves along with the microbes changed the soil pH to where they want it. Thats apparently 7.0pH.
Not trying to be a dick here. You can believe what you will. Plants roots via root exudate along with microbes in the soil CONSTANTY change the soil pH. There's no set pH that the plant wants to see.
Its just science.
If you wanna beat up your plants roots and the micro-organisms go ahead and use pH up/down. You should feel better that you are helping.
BTW I water with RO water and it tests to 6.5pH (not that I test it but I have several times over the years).
Maybe you are talking more about soil acidity/alkalinity instead of pH?? These 2 tests are only reliable done in a lab under lab conditions. Why I get a test done and suggest folks that wanna grow in soil get soil tested.
See the label there where the blue line goes up to the optimum line that = 7 pH - I didn't make that up thats my state extension service telling me that. All the state university extension services will tell you the same thing. They are actual soil scientists working in a soil lab. Food for thought.
View attachment 887386View attachment 887387
Here you can see the original soil test - same soil, only thing done with the soil is grow weed in it over and over organically no-till no fertilizers and no pH adjustments.
I would draw a conclusion that cannabis may not care that much about soil pH as long as its within say 6pH - 7pH with a little play either way.
2016 test - you can see the pH below optimum at 6.2pH
I actually would like it lower like this so that the rock dusts in the soil will break down better with a slightly acidic soil pH. Take note of the ACIDITY test results on each soil test and compare.
As a side note, every successive grow got better and plants got bigger. Which = higher yields.
View attachment 887388View attachment 887389
Plants roots via root exudate along with microbes in the soil CONSTANTY change the soil pH. There's no set pH that the plant wants to see.
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