Not sure why my plants look burnt

[ttyler333]

First time grower here. I've been watering as necessary. Regularly measuring the ph of the water I give my plants. I've done 2 soil tests and the PH of the soil was a little high. I've since worked to correct that. I had the fungal gnats but i've since worked to get that under control.

By chance is there something else wrong with my plants? I have them on an 18/6 lighting schedule with 73-77F temperatures.

Any help is greatly appreciated. Thank you.

 

[LittleDabbie]

Older growth won't come back from damaged state, Keep an eye on new growth they look fine :D

 

[ttyler333]

Older growth won't come back from damaged state, Keep an eye on new growth they look fine :D

Figured as much from my research. Thank you. They've gotten a little brown on the tips. But it's still very green on top. Just seems like a PH issue. Glad im on the right track.

 

[BurnzYzBudZz]

What kind of medium is that? Anything in it for drainage and aeration to the root zone? If it’s soil, you may have some issues in the near future once the medium becomes compact. Some of the common issues start from the bottom leafs up, keep an eye on them.

 

[ttyler333]

What kind of medium is that? Anything in it for drainage and aeration to the root zone? If it’s soil, you may have some issues in the near future once the medium becomes compact. Some of the common issues start from the bottom leafs up, keep an eye on them.

Thats the issues i've been having. Theres a few leaves left that are green, the rest has already died. Its roughly 20% coir and 80% soil. Started having issues once i moved to soil. Should I just stick with coir? I understand that the desired PH will be a little higher and you have to add nutrients. But it grew to that size before I changed to a larger pot.

 

[One drop]

Drainage problem .

 

[Beachwalker]

Figured as much from my research. Thank you. They've gotten a little brown on the tips. But it's still very green on top. Just seems like a PH issue. Glad im on the right track.

Tell us what your pH is

 

[ttyler333]

Tell us what your pH is

The soil tested high at 8. I've since worked it back down to 6.5. I will take another sample before/after watering but it'll be another day. I could definitely see it being a drainage problem.

So my question is, if i change the soil.. Will that stress the plants? OR should i accept my losses and run a better soil mix for my next grow.

 

[Beachwalker]

Next time try soil and 25% perlite, or all Coco for best results; Coco and soil don't do so great together sometimes, good luck!

 

[BurnzYzBudZz]

Next time try soil and 25% perlite, or all Coco for best results; Coco and soil don't do so great together sometimes, good luck!

+1 I’d stick to soil until you become more dialed in, then experience with coco.

 

[ttyler333]

I managed to save my plants and had them looking great for awhile.
My newest issue in the pics attached. Ph is about a 5.5. Currently getting 18/6. Lights are 24inch away from plants. Temps 74-79f.

Any advice would be helpful. I'm thinking it could be a calcium or a boron deficiency.
Previously fed them:
Cal mag:2ml
FloraMicro:2.5ml
Gro:2.5ml
Bloom:1ml

Currently giving them:
Cal mag:2ml
floraMicro:2ml
Gro:1ml
Bloom:2ml

 

[chemistry]

Can you put up a pic of the whole plant in good light.

 

[Beachwalker]

I managed to save my plants and had them looking great for awhile.
My newest issue in the pics attached. Ph is about a 5.5. Currently getting 18/6. Lights are 24inch away from plants. Temps 74-79f.

Any advice would be helpful. I'm thinking it could be a calcium or a boron deficiency.
Previously fed them:
Cal mag:2ml
FloraMicro:2.5ml
Gro:2.5ml
Bloom:1ml

Currently giving them:
Cal mag:2ml
floraMicro:2ml
Gro:1ml
Bloom:2ml

What pH is 5.5? If you're talking about your runoff pH use Dolomite lime to quickly correct your issue