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Hi guys. I need some advice on what the problem might be with the leaf pics I will attach. I am almost 100% sure it has something to do with potassium or phosphor, but I don't know if it's deficiency or excess of either ? These plants in particular are directly into the earth. I have used the...

Is your dehumidfier inside the tent or outside in the bathroom? What size Liter dehumidifier is it?

I see so many grows in tents from 1.2x1.2m up to 2.4x1.2m with dehumidifiers inside the tent. I would just like to know how do you get the dehumidifier to work when your exhaust fan is extracting air faster then what the dehumidfier can dry. My extraction fan is 410m3/h on low which is more...

My original issue post number 275 has a lot to do with the thread. But to understand that you'd have to read every comment on here. I never understand why people get so riled if someone revives a old thread with, especially one like this with such invaluable information. I thought it was the...

I can't lower my nitrogen content, because it is included with all my other macro and micro elements. Should I lower my EC to 1.3 ? What will turning down the power do?

Ok but I didn't need need calmag I needed to up my temps and the cal mag issue sorted itself out. This is essentially a VPD thread with a wrong title.

Thanks, so what would you say I should do with the EC for a 26 degree room and humidty ranging from 60 - 75 ?

But can you explain to me what turning down the power would do to fix the nitrogen problem? What I am gathering is I need to lower my EC now that I have improved/upped the temps, seeing that they now have improved nutrient uptake/more ? The question is why didn't the plants nute burn at 18C...

First picture of what my plants looked like in early veg being fed 1.2EC over longer period like 2 weeks. Early potassium deficiency and other, basically they were real hungry and when I upped the EC to 1.6 stuff got way better. The second picture is what my plants look like now after I upped...

I will post pics of the leaf tips later. But honestly as you can see the plants are behaving differently after adjusting the humidity and temps for the better. According to this thread. It's a custom build light by a reputable company where I live with samsung 561c diodes and a meanwell driver...

Like I said, because I ran into deficiencies when given 1.2 EC early in veg. (afraid of it happening again) I am already down to 1.4. Once a day until run off.

Hi again guys. My plants are looking better, regarding the mag and cal issue and also regarding the nutrient burn after changing the temps for the better. The run off EC is also now the same as input. BUT now, I am having early signs of nitrogen toxicity, drooping leaf tips, not all of them...

Every day until runoff. Once a day. Coco never gets dry.

No it's 5x5 ft with intake coming straight from outside.

Thanks man so how do I approach this situation, what must I do? Lower EC or what? I couldn't remember what the humidity was before the changes probably around mid 50s, but now like I said am running between 62 - 75 humidity by keeping the exhaust fan on a start stop to keep up the temps more...

Would just like to say that this is one of the most informative threads on LED growing on the whole internet. I recently started up a grow and had between 18 C and 20 C throughout the 4 weeks veg and they started showing heavy tiger stripes and the start of brown spots a few days ago, and I...