AutoFlower in FFOF...too hot?

NanoGadget said:

Where any of those strains autoflowers?

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This is what I found for AutoFlower with FFOF. Purple Grizzly, Berry Ryder and Auto Pounder are not happy with it and I even flush the stuff before planting along with 20% perlite. Northern Lights, Sensi Skunk, Nirvana Blueberry Kush and MK Ultra seem to be OK with it.

Now by not liking it - it just barely yellowed the tips and they all, that had issues, seemed to claw a bit at 3-5 weeks...I have never used Nutes on Autos with FFOF until pre flower.

TedeBoy said:

I thought after about 3 weeks a mix of those is pretty much spent and nutes need to be added?

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Not from my experience...also depends if you use root microbes and Fulvic, Humid acids...those tend to break things down even more. I have found most Autos don't mature their root system to reach around a 3 gal pot until the 3-4 week period...only then can they start to use everything in that pot.