2 weeks into flowering yellowing first grow

its only two weeks into flower its yellowing and one leaf is cupping and i dont get it i was told to flush it and im gonna do it but i dont know?....
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The all-over leaf yellowing is probably from either acidic soil or, more likely, Nitrogen deficiency. The splotchy crispyness on some leaves is Phosphorus deficiency. Check the soil Ph and if it's correct, give her at least some N & P, if not just an all-around fertilizer.

Mother's Finest said:

The all-over leaf yellowing is probably from either acidic soil or, more likely, Nitrogen deficiency. The splotchy crispyness on some leaves is Phosphorus deficiency. Check the soil Ph and if it's correct, give her at least some N & P, if not just an all-around fertilizer.

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its getting big bud and bud candy doesent that have Phosphorus???

I agree with mothers...check your runoff and see what it is before flushign..worst case scenario a flush can't hurt it but if your in the flushing phase you should cut off all nutes...however I don't think 2 weeks into flower is any time to cut nutes off...go with what mothers said and def get some Nitrogen and Phosphorus

420Marine said:

I agree with mothers...check your runoff and see what it is before flushign..worst case scenario a flush can't hurt it but if your in the flushing phase you should cut off all nutes...however I don't think 2 weeks into flower is any time to cut nutes off...go with what mothers said and def get some Nitrogen and Phosphorus

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but big bud has Phosphorus!?!?

You need to check the soil Ph asap. Incorrect Ph can lock out nutrients like Nitrogen and Phosphorus. I should have pointed out that while the splotchy crispyness is P def., it could be caused by a Ph problem.

Mother's Finest said:

You need to check the soil Ph asap. Incorrect Ph can lock out nutrients like Nitrogen and Phosphorus. I should have pointed out that while the splotchy crispyness is P def., it could be caused by a Ph problem.

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how do i chang it?

you need to check the runoff (or buy a soil meter which is big $$$) with some sort of PH test kit..it can be a simple dip check or can be a meter..if your into flowering already I assume you have a meter. Recalibrate and check the Run off PH....flush accordingly maybe back off the nutes entirely for a lil while. Just my .02

Mother's Finest said:

You need to check the soil Ph asap. Incorrect Ph can lock out nutrients like Nitrogen and Phosphorus. I should have pointed out that while the splotchy crispyness is P def., it could be caused by a Ph problem.

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i dont have any way to test the soil so i godda buy one how do you feel about a Luster Leaf 1818 Rapitest Mini 4-in-1 Soil Tester

amazon gave it good reviews...I trust amazon..doesn't seem too pricey I'd say go for it...HTH

ok.............

It's a good idea to pick up a 5$ capsule-type Ph test kit, some test strips or another similarly cheap way to check your probe's readings from time to time. Aside from verifying a meter, they also serve as a backup way to test Ph if the probe ever fails.

Personally, I prefer Ph meters that don't test for anything else. Rather than pay for four different tests, I put money into testing only the Ph four times as well. This is just my opinion and you should definately buy the product that seems best to you.

i got the same thing going on... from what it looks like.

i took mother finest advice, got some dolomite put some on top of my soil, watered it with plain water at 7.3 and my run off came out at 6.3, im getting close to my goal of 6.5, its better than 5.7 ill tell u that!

Mother's Finest said:

It's a good idea to pick up a 5$ capsule-type Ph test kit, some test strips or another similarly cheap way to check your probe's readings from time to time. Aside from verifying a meter, they also serve as a backup way to test Ph if the probe ever fails.

Personally, I prefer Ph meters that don't test for anything else. Rather than pay for four different tests, I put money into testing only the Ph four times as well. This is just my opinion and you should definately buy the product that seems best to you.

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Dolomite Lime right

Mother's Finest said:

You need to check the soil Ph asap. Incorrect Ph can lock out nutrients like Nitrogen and Phosphorus. I should have pointed out that while the splotchy crispyness is P def., it could be caused by a Ph problem.

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correct me if im wrong, but isnt nitrogen available with ph level 4.0-9.0? Unless hes feeding with raw piss, i dont think nitrogen is being locked out here. Just deficient.

OP, i had yellowing at weeks 3, i started giving veg nutes very litely and is stopped the yellowing in its tracks. I was told to give veg nutes weeks 3-4 in flowering. Some people continue with veg nutes in the first couple weeks durin flower, some use a tiny amount throught the enite flowering phase.

good luck.

Mr.bagseed said:

correct me if im wrong, but isnt nitrogen available with ph level 4.0-9.0? Unless hes feeding with raw piss, i dont think nitrogen is being locked out here. Just deficient.

OP, i had yellowing at weeks 3, i started giving veg nutes very litely and is stopped the yellowing in its tracks. I was told to give veg nutes weeks 3-4 in flowering. Some people continue with veg nutes in the first couple weeks durin flower, some use a tiny amount throught the enite flowering phase.

good luck.

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what veg nuts can i mix with big bud and bud candy???

How pH creates deficiencies gets very complicated, and I mean so that I don't even bother trying to fully understand it, not that I understand something others don't. There's how the pH blocks absorbtion, how it inhibits use of absorbed nutrients and, probably the most complex part, how locking out certain nutrients makes other, different nutes unusable. While N may still be able to be absorbed at a certain pH, acidity can make it unusable and causes the all-over leaf yellowing seen in both acidic soils and Nitrogen def.