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So, I've been trying to figure things out and it just isn't happening for me yet. Soil grow(mix of an organic potting soil, worm castings, perilite and compost). LED lights (CMX22 gen 3 3500K 90CRI). In smart pots Temp 68-72F RH 55-65% 18/6 My girls are 70 days veg, and I clearly was...

Isn't the same thing.... but might be the same root cause. I see interveinal chlorosis on new growth... Mg or cal deficiency? Ph prob or using low PPM water

Looks like Groweasy's iron deficiency write up.... http://www.growweedeasy.com/iron-deficiency-cannabis I think that's the only deficiency that I can think of that makes the plants discolour like that. Make sure you read it closely, the answer rarely is to add more iron... "The following...

What did they look like before you transplanted? Any chance you can just go grab some good potting soil to rule out the unknown? I mean, for $20 bucks, isn't it worth it?

I'm going to guess a multi-micro nutrient deficiency/lockout. That speckling seems to be signs of a calcium deficiency... but be careful on how you diagnose/treat micro. It isn't always a lack of one... it could be an excess of another... or a PH issue. I would assume PH is somewhat of a low...

Cobkits set me up good... I'm in a small space, but man, his products are top notch and since you can DIY... pretty darn easy to get what you are looking for. All the other not-so-DIY sites you pay through your nose for that extra plug-n-play style setups (QBs etc...) Just my 2 cents...

I removed some of the LST'ing I've been doing for the mainlining... but today I had to put it back on. It looks like the Special Kush is starting to ramp up it's growing again. I had to LST the outer tops down again because overnight they got about an inch higher than the inner ones... Seems...

Sorry molasses and epsom is added as just a pinch to my water. I would guess about 1/2 tsp per gallon.

Oh, also want to make sure I say, I've had PH between 6.2-6.8 going in, and although I don't water till run off, I did earlier when I was overwatering (over a month ago) and when that run off happened, it was consistently 6.8... so it seems like my soil has enough buffer to get the PH in the...

Interesting... my other plant is starting to show the exact same signs. Am I right to think this is a complete macro deficiency? N - full leaf chlorosis of the lower leaves P - interveinal chlorosis on newer growth with K - spotting on the lower leaves. Here's my SP#1, 24 hours after the...

Thanks for the feedback folks. I think everyone is correct on this. This is a multi-deficient plant, showing signs of lockout due to introducing nutrients too fast. My question. Should I ride this out in this pot until I've figure out the nutrient regiment? Or, since I do have to go up a pot...

Took a pic when I first noticed some discoloration, and another pic about 4 hours later. We are in soil. I just upped my nutes to full strength (been watering a quarter, then half). Using something called Dirt n' Grow Evolve Organic All Purpose (3-1-2), it's made from various kelps, potassium...

I'll buy that for a dollar!

I haven't looked into DO ranges for hydro grows much. I am a soil grower. There are ranges for different types of plants. Usually when referring to environmental conditions for optimal growth you can group based on classification of plant (e.g. perennials have similar optimal growth conditions...

I didn't read through the entire thread, but quoted this person because I believe it to be the right response :D When you are watering a medium, not using hydro, dissolved oxygen is essentially meaningless. There is research out there that shows water (regular H2O) cannot hold enough DO for a...

Wouldn't a carpet cleaning machine with full strength cleaner do it? Cleaning solution(a.k.a. soap) plugs the breathing holes on insects and essentially suffocates them... and you'd only have to worry about that for the ones the steam cleaner doesn't suck out of the carpet... Just a thought...

I thing of 2 x 2 variables that could cause this heat expansion air flow stabilization(as the fan ramps up, the air flow is not uniform) bearing leak/crack in housing/duct It could be 1 of any or 1(or more) from each group(different permutations). Eliminate the heat and take off all the...

On the tap water PH swing... do a daily test straight out of the tap and record it for about 2 weeks. If you are on municipal water, you'll figure out their treatment schedule and will be able to draw your water on the time that works best for you... Or at least pick a day that you know you're...

So... after an overwater, and chronic underfeeding, I think what I've discovered is that Nebula's method of mainlining doesn't actually distribute the nutrients equally to the plant... First... what the claim is for mainlining: With main-lining, you create a plant where every cola is exactly...

Take some clones and start over. Dont over water it and you should be fine.