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Sounds like a "soilless" mix to me. Soilless mediums are really a pseudo hydro and you should be running your nutes at the ph range of ph 5.8-6.2 to make phosphorus available. This is more important in flower and you can run mid 6s in veg just fine but you really need to keep it in the 5.8-6.2...

Did you dab a little cloning gel in the wound? I would of dunked the top in some vitamin B as well before grafting to help with shock.

By FL you mean Fluorescent lights?

You should also check with the manufacturer of said fertilizer to see what their conversion ratio is. I.e. Fox Farm is 0.7 or 442 conversion General Organics and Technaflora use 0.5 or NaCl conversion.

This is my method and I get the greenest clones from start to finish that I have ever had and usually have roots poking out in 8 days. I take my bloom fertilizer GO biothrive bloom and mix it into ro water at 250 ppms and ph 5.5. FF big bloom works well too. Soak the cubes for an hour er so. Cut...

PH of 5.5 as per recommended by grodan themselves. There is a youtube video where they tell you how to prepare it. http://www.youtube.com/watch?v=hWcEoN7mbjE

My friends and I use http://www.vancouverseedbank.ca/ Out of canada. Less time, less customs.

There is an episode of mythbusters where they do this experiment. They found that playing music did increase growth rates, but it didn't matter what type of music it was. Not sure on the whole elaning thing. I have a radio going 24/7 in my grow because: 1) it's nice to have some toons while...

What is going on in your curing room? Dark 24/7? What is the humidity? Does it get lots of air flow?

What you need to do is setup a system that records the fan, inverts the waveform in real time and plays it back through a speaker! Really, just get some rubber washers and put them between the fan and the wall/board, around the mounting screws/bolts.

I liked the General Organics line. You can get a whole kit box for $40 that will do a dozen plants from start to finish. More if you get another bottle of the CaMg

I recently purchased a Bluelab PH pen after my milwakee ph600 went wonky and was going to give a review for others but alas, there is no review section! The pen so far has worked flawlessly. I purchased the additional calibration/cleaning kit with it. Pros: Stable reading. It doesn't bounce...

First I would invest in a liquid PH meter and it is alright to use hydro ph down in soil. PH adjust your water/feed to 6.5. I personally hate soil testers. They are horribly inaccurate unless you buy the really good ones and if you are keeping the stuff going in ph controlled they are unnecessary.

What kind of soil? Are you PH adjusting when you water/feed? Before I do anything to treat a nutrient problem I check PH first.

Are you using a soiless mix? What is the PH of the solution you are adding?

If you are running a soiless mix, I would go to 5.9-6.2 PH.

Look at the edge of the leaf and how it is curled up. Those are classic signs of heat stress.

Be careful, as you suspect auxins in low quantity help, but auxins in high quantity hurt. This was how agent orange was developed. A chemist was testing auxins on soybeans to improve growth rates. When one of his lab assistants sprayed a plant with too much it defoliated the plant instead.

When the edges curl up like that it is a definite sign of heat stress. I would also back off the watering a bit. You can water everyday but you will have to reduce the amount you give them so that they dry out in between. I typically give a plant that size a half pint of water every other day...

I think a lot of the nute lines back off on the nitrogen too much in flower. I use Technoflora and get some yellowing about 3 weeks into flower. I have used high N guano sprinkled on top but I have had much better results using alaska fish nastyness in between feedings. God it smells awful but...