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DLI is how I work too. I've not had any trouble with burning or damaging, and really like that you can keep your nodes pretty tight. So I use the calculator on the Photone site to calculate based on my Photobio Phantom at canopy top. It's helped keep my plants healthy but also fairly compact for...

Leaf surface temperature. All VPD is based on actual leaf temp, not environmental temps.

*also, it's based on LST, so if you've not figured out what your LST, then all your calculations based on this chart may be off entirely.

Stock Veg chart: Stock Flower chart:

I don't know what Pulse chart you're using but 78 & 30% is definitely not in the green zone or even yellow zone for plants in veg and not very optimal for flower either. I don't know that that's your main problem, but it may be a contributing factor. 45%-55% is the sweet spot. Taper off late...

I germinate and grow until transplant in .75 gallon pots. They're small enough that you don't have to fuss the watering that much and for the first few weeks you only have to water them once. Gives you bigger plants and better root structure to transplant.

https://www.amazon.com/gp/product/B084NWS196/ Used it with my Inkbird, now it's on my AC-Infinity outlet. Perfect size for a tent, hard wired switch and it has a lights off mode so it won't bother plants in flower.

What peat mix? They look small to me even without any topping and training at 8 weeks...how much light are you giving them?

If you flower those now each will have one skinny cola rather than having 16 giant colas.

Agree, and we have one, but my wife stole it and moved it to her studio. We need a second one. ;)

Really just me fussing with a dripper or two too much.

Are you in a room or a tent? I grow in the basement too, and my solution was to get a big ol' sheet of plastic and lay it on the bottom & up the sides about 5" (inside). I did have a run-away but the math on a space that's 15 square feet at 5" vs. the 20 gallon reservoir means the water was...

LOL. I can't believe this went by people. You know...cactus genetics.

Maxi drops 7 down to around 6 or upper 5's. You just happen to be lucky in hitting where you want to be. I use filtered water that falls below 6, then after Maxi is in the mid 4's...so I pH up.

If it's grown to the #8 nob, I'd top it down to the 5th or maybe No. 6 nob.

Last time I fell for that blacked out and was sore for a few weeks...

You're running organic nutrients in soilless medium. It would be a different story if you're using organic soil.

Yeah... It's been starving for about... 8 weeks or so. ;) Feed it.

The next time the ProMix is dry enough for a feed/water, I'd put some good amount of water through it, but at the end of that, I'd finish off with a gallon of feed. I'd move to feeding & watering to runoff (its obviously what you're doing now is not working). I generally do my 'flush' so that I...

None of this really has much to do with 'lock out'. Lock out happens when you provide too much of certain nutrients and that stops the absorption of other nutrients. So too much Ca/Mg may lock out P or K, etc...