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ph question

emerica

Member
so I had a hana ph meter
and I started to notice yellowing on my new leaves first thought it was a nitrogen problem or the lights were too close I upgraded to a bluelabs ph pen and found out ive been watering em at 6.4 for a few days should I give em a flush or just bump up my ph with my normal feedings? any help or advice would be most helpful
 

Snype

Active member
Veteran
Sounds like you're running hydro and you were too high on your pH from a broken pen. Don't flush, Just go back to your normal program but let us know more about what your medium and watering system is to be sure.
 

emerica

Member
I'm actually using soil happy frog and nitrogen gets locked out at 6.4 in soil
here's more info

my strain is chemdawg 91
I'm on day 15 of flower
starting my 3rd week
for two past feedings my ph was 6.4
can I continue my normal feedings and just bump up my ph to the proper levels
or does she need a flush/leach?
 

hush

Señor Member
Veteran
No just keep feeding and fix the pH. Nitrogen is a mobile element so after the plant starts feeding on it again she will distribute it where she needs it.
 

Snype

Active member
Veteran
I'm actually using soil happy frog and nitrogen gets locked out at 6.4 in soil
here's more info

my strain is chemdawg 91
I'm on day 15 of flower
starting my 3rd week
for two past feedings my ph was 6.4
can I continue my normal feedings and just bump up my ph to the proper levels
or does she need a flush/leach?

The perfect pH for the actual soil medium is actually 6.4. I think what's actually happening to you is that you ran out of nutrients in your Happy Frog or your soil pH is off. You should test the run off of your soil. It'll probably be below 6.0 and locking out your nutrients. I water my plants with water or solution between 6.4 and 7.0. Even though I water my plants with 7.0 water, my Fox Farm Ocean Forest soil eventually goes below 6.0 and I end up having the same problems that you are talking about. To check the run off of the soil, slowly pour your water through it until you get about 300 mL of solution out of the bottom of the container. Measure the PPM and pH of that run off. You might have to also take the next 300 mL of run off in a different jar to compare the results. In the future, these problems can probably be fixed by adding some dolomite lime.

I'm not sure what your normal feedings are but you may be over feeding if you are feeding every time. I only feed a plant about 3-4 times over an entire grow with Fox Farm Ocean Forest in 5 Gallon containers. Just something else to think about because you didn't provide too many variables for us to work with.
 

emerica

Member
The perfect pH for the actual soil medium is actually 6.4. I think what's actually happening to you is that you ran out of nutrients in your Happy Frog or your soil pH is off. You should test the run off of your soil. It'll probably be below 6.0 and locking out your nutrients. I water my plants with water or solution between 6.4 and 7.0. Even though I water my plants with 7.0 water, my Fox Farm Ocean Forest soil eventually goes below 6.0 and I end up having the same problems that you are talking about. To check the run off of the soil, slowly pour your water through it until you get about 300 mL of solution out of the bottom of the container. Measure the PPM and pH of that run off. You might have to also take the next 300 mL of run off in a different jar to compare the results. In the future, these problems can probably be fixed by adding some dolomite lime.

I'm not sure what your normal feedings are but you may be over feeding if you are feeding every time. I only feed a plant about 3-4 times over an entire grow with Fox Farm Ocean Forest in 5 Gallon containers. Just something else to think about because you didn't provide too many variables for us to work with.


first off thanks for replying and being helpful
I only check the ph of what I give my plants not the soil
its not overfeeding just a ph unbalance
she should be healthy and thriving in a few days :dance013:
 

hush

Señor Member
Veteran
6.4 really isn't all that low. Just increase the ph and keep feeding. As long as you know you aren't overfeeding, that is.
 

emerica

Member
6.4 really isn't all that low. Just increase the ph and keep feeding. As long as you know you aren't overfeeding, that is.

yeah she's not too stressed but the new set of leaves are yellowish
no stress is the way to go :dance013:
its definitely not over feeding learned my lesson on that and under feeding..
 

hush

Señor Member
Veteran
If it's the new leaves that are yellow, then N is not the reason. But whatever, we are going off your descriptions, and no pictures, and we still don't know what you are feeding with... But you should know that 6.4 isn't really all that low, and I don't necessarily think that's your problem. Maybe you need to increase your nutrient strength? Who knows.
 

Snype

Active member
Veteran
The run off of his medium is the real problem but he doesn't want to check to run off. 6.4 doesn't lock up N in soil. I don't see my N lock out until it goes below 6.0.
 

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