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I've got four plants in a 4 x 4 tent, almost two weeks into flower. One of the plants has some lower leaves turning slightly yellow, with reddish spots. The other three plants look ok. pH has been between 5.9 and 6.0. Calcium deficiency is supposed to hit the top leaves first and go down. My...

I've had a couple of grows and haven't used a TDS meter, and I'm planning on adding that to my next grow. I've read that seedlings (less than two weeks old) should have around 600 total ppm in their nutes. So I mixed up one gallon of seedling nutes from the GWE nute chart for coco. Here are...

Had a spike in humidity for one day (went up to around 80%) a few weeks before harvest and got it back to normal (around 40%) within a day, but it seems the damage was done. Had bud rot in my biggest colas, that didn't show at all until trimming. The tent is clean but I guess the bud rot...

Did a major defoliation (at least for me anyway) and now three weeks later, the fan leaves are growing back on each cola. Should I remove them so light can get lower into the plant? Colas are looking good if I don't say so myself!

GH nutes, 5 gallon cloth pots, coco : perlite is 2:1, watering every other day with 1/3 strength nutes and calmag. Up to now, runoff has always been really close to nute pH. But now runoff is consistently around 6.4 or 6.5. For the last 4 days I've flushed daily with three gallons (sometimes...

Had some problems with yellow tips and am wondering if I can go with lower strength nutes, every watering with a lot of runoff. I have 5 gallon cloth pots, thinking two gallons each feed, so I get at least 3 or 4 quarts runnoff. I'm using GH nutes and calmag. Thinking to feed every two days...

In week 4 or 5 into flower and things have been going fairly well. First coco grow in a 4 x 4 tent, using GH nutes, growing one Northern Lights and one LSD. Been going higher on pH now that they're in flower, around 6.2. I have been using Nebula's half strength grow schedule for coco...

I'm 4 weeks into flower and my grow tent humidity is between 60 and 70 percent humidity, which sucks. I ordered a $50 smallish dehumidifier that will take out some of the water from the air inside the tent. Anyone had any luck with these? They run on the Peltier technology where one side gets...

I'm going to be away from my grow tent for a week. I bought a programmable drip timer and all is good, I think I won't have any watering problems. The thing I'm worried about is too much humidity. I have two 5 gallon pots with coco / perlite. It usually takes about 5 quarts to water, with...

7 week old LSD is looking great, but a few leaves are showing yellow spots. pH has been steady and am using the GH grow schedule. I vegged for two extra weeks. Humidity might have been too low, maybe light burn? Using luminous COB's at 50 watts per COB about 22 inches from plant, 4 COB's...

I've been following the watering schedule for coco that's on the GWE site, where the GH nutes are updated week to week, from seedling to harvest. My plants are doing well. I' growing in 5 gallon cloth pots. My plants need to be watered after about 5 days. I mix up the batch of nutes from the...

I germinated two seeds directly in my coco smart pots. One came up fine (yay!) and the other was a dud. I planted about 3/4 of an inch down and watered twice a day, temp is about 75, covered to increase humidity, so I think conditions are good for germination. At least one seed came up...

The grow guide says to use nutes every other watering, and use pH'ed plain water in between. Should I be adding calmag to the pH'ed water (the non-nute water) for a coco grow? Thanks.