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Wow. Someone please delete this thread. Please, no more replies.

Did you notice the bullet point on the bottom of schedule that says to double the feeding if necessary?

OK do you see the disparity between that schedule and what is labeled on the bottles?

look on the bottles. It should say light feeding-2tsp/gal, heavy feeding-4tsp/gal on thrive and bloom. What does your chart say? I just go with what the bottle says. in veg under flourecents I go light feeding but when they go under the hps I have to go heavy feeding.

How big is your light? Are you following the heavy feeding or the light feeding schedule with General Organics? I had a similar problem and I just had to move up to the heavy feeding because they weren't getting enough nutes.

Thanks for the link. Nice beaver. I'd say my issue looks most like the image of heat stress. Is this what you were suggesting?

I'm starting to think it may be light burn. the light was ~12" away and i gave them a foilar feeding in the day. any thoughts?

Sorry, I meant to say "Cubic" foot. Is that still excessive?

bump

So I have four plants total. 2 Northern Lights and 2 Jack Herer. The northern lights strain had a magnesium deficiency about a month ago. I foliar fed with 1/2 tsp/gal epsom salt a couple times. I also started adding 1 tsp/gal epsom salts to the feeding schedule, which is general organics by...

i just checked with a gallon of water and my run-off PPM was 1900+. So i flushed with a couple more gallons and the runoff is now ~400. Looks like you were right JD. Thanks man. Should I give them nutes on the next watering in 5 days?

Ha! :-p...

Cool. I'll flush in a couple days when they need a watering and I'll check the runoff ppm. Should I flush with a mild nutrient solution? Maybe a 10-10-10 at 1/4 strength?

My ppm has been around 1200 and 6.5 ph for the last couple weeks and I have been feeding every 5 days. What makes you think this is excessive? The plant seemed to love this much nutrients earlier.

Thread bump

OK i watered her last night with a 50/50 mix of grow and bloom nutrients, 1tsp of each. It also looks like she might have a slight magnesium defeciency. Should I add some epsom salts? If so, at what ratio (tsp/gal)?

You might want to try the heavy feeding schedule. That looks like a decent sized plant and with general organics it's pretty hard to overfeed.

This is not an autoflower strain. It's Jack Herer vegged for nearly 3 months under cfls then flowered under a 1000w hps. I used a 50/50 combination of grow and bloom for the first week of flower then switched to only bloom nutrients on week 2.

I', growing in Black Gold soil mixed with about 15% perlite. GH maxigrow and maxibloom and GH Organics cal mag all at full doseage. Using RO water. ph to 6.5 before feeding. I feed every watering which is about every 5-6 days.

About 3 weeks of 12/12. So in one picture you can see the bottom of the plant where the fan leaves are turning yellow and falling off. Is this nitrogen deficiency? The other pics show the top of the plant where the edges of the leaves are pointing up. I thought maybe heat stress but there is...