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I honestly don't know, but it depends on the soil, in general from what I know 6-7 for soil is good, coconut coir and hydroponics 5.5-6.5; but better you ask someone that used the same soil as you are using

They are straight, the angle might be effecting the pic... I'll keep monitoring them, the lights where a bit far, but I fixed that about a week ago, I thought the over stretched a bit

any ideas on what I can do, finished third week of 12/12; tent is 6.5 ft, I have about 6 ft total in height, plant already about 4 ft... thoughts, advice pls

Sometimes wrong PH creates a blockage of nutrients, which leads to the roots not transfering the nutrients in the soil. So I'd suggest you first check the PH; if the readings are within limits start treating for deficiencies. If PH is not within limits fix it and see if you notice any...

I'd wait a bit more if below the 5 cm is still moist, my logic behind this is to let the roots expand more looking for water and food, if they find it on the surface I don't see why they'd dig down looking for it.... anyway I am on my first grow so by no means I am an expert, but when I was...

Just noticed what you said about temp at canopy lvl, hummmm all my loggers are at the bottom of the tent... thanks for pointing that out

Thank you, I'll lower the temp and bit and take up humidity a bit more

Noted... do you think temp and humidity are ok? I can change them to whatever

From what I've been reading I've seen seem those symptoms in 4 cases: 1) Boron deficiency Leaf Color: – Pale leaf color – Purple or darkened leaf color – Dark brown spots on leaves Leaf Symptoms: – Browning or burnt leaf edges Plant Symptoms: – Thicker growth tips – Slowed growth –...

I think you should give them more time to dry before watering..

humidity is 37%-42%, temp is 87 with lights on, 84 with lights off I have full control over humidity and temp.

I watered today using PHed water at 7, tested PH on runoff it was 5.5 on some of the plants, I adjusted it till I got 6.2 TDS dropped from 5000 PPM to 2000-3000. I think they are getting better, hopefully by next watering they'll be better still. Humidity is about 37-42%, temp is 87 when...

PPM only, but I can do EC if it's important, it'll have to be Monday though, don't both readings lead to the same conclusion?

I steamed it and then baked it, no pesticides issues.

You are absolutely right it's toxicity, today I measured TDS on the run off water and it gave me a shocking 5.00 ppt or 5000 ppm; the NPK is powder and I've been feeding much more than 2 grams , the calcium is liquid and the feeding was higher than 2 ml but not much higher. The medium is garden...

Well for me they seem ok, not the best shape I wished for but for a first grow I am happy. I have some signs that are concerning me... here's a link https://www.rollitup.org/t/first-grow-15-days-on-12-12-how-do-you-rate-them.945891/#post-13686554

I tried it again on the water I use at gave accurate reading. It's still new I just received it last night.

So last night was the first time I measure TDS, I added fertilizers like I normally add and measured the TDS it was around 350 ppm so I figured out I was adding too little. I got two plants out and flushed them and measured the initial run off TDS was 300 PPM... I put them back on their trays...

As for preventing it I just improved air blowing on the soil level, I don't know if that was what stopped them, I just thought to make it uncomfortable for the flies to fly at that lvl and lay eggs hahahaha

BTW I think neem oil is a most have for every grower especially newbies like myself, it seems to be the solution for almost every problem lol