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I was just about ready to start flushing when I decided to play with adding some molasses (I was still on nutes at the time). Things looked good for a few days and then my PH went nuts. Most likely the result of getting lazy. So I went to straight water with PH down and worked the PH back to...

Ive got a white widow that three weeks into flowering but she has not really shown much yet. My problem is that I my schedule really only allows me to check her during her darkness hours. If I turn on the lights for say 5 minutes during her 12 hours of darkness am I creating any problems...

Madhat, Those things have shown huge growth since your last photos. Very impressive.

Thats the obvious solution, but I was looking for something that would be a little safer to operate.

Im about a week or so from going 12/12 and I have some concerns about how to keep my grow cabinet warm without the aid of lights. It holds heat pretty well, but its in an unheated area that may dip down close to freezing at times. I worry that 12 hours is a long time to go without warmth. I...

Just like Bitti said. I put the cover above the drip ring to prevent light from getting thru without getting in the way of the watering. As I read your last post Im beginning to wonder if my nute burn isnt the result of splashing as well. My plant is pretty short and bushy and my burn...

hey madhat, nice journal. Im growing a white widow with the same hydro setup but Im about a week behind you. I too have noticed issues with nutes. In my case i have never gone over about 200 ppm but still saw signs of burn. I have one question and one comment for you.....Did adding the extra...

I had a seedling that got its top stuck in the roots and wouldnt pop out. When I tried to get it free I broke the top off. Now its just a stem and nothing else. I figured it was lost cause but I left it in my hydro system. After a week its still green. Almost as green as my healthy plants...

Im using the General Hydroponics PH solutions and having a hard time with rebound. I need to adjust the water 5-6 times to get it to stay down where I want it. What's everyone else using and how well does it work for you?

So if I didnt prep the rockwool properly what can I do about it now? Will it come around at some point by itself?

So if algae becomes a problem how do you cure it? I covered the rockwool to prevent it from growing any more and the situation has improved, but is there something i can do to get rid of it. In a day or two I'll do a water change but i kind of want to get a handle on it before i make too many...

would the algae explain why the PPM goes up?

homebrew, whats that mean?

I ran my system with very low ph water for about a week before I started the grow. Thought that would have done it. Last night I re-adjusted the ph to 5.6. No other changes. Today its back up to 7.0.

Did a water change last Sat with RO water and lowered the PH to 5.2. Used just a few drops of nutes (2.5 ml in 3 gallons). PPM was about 50. Checked the water today and the PH was up over 8 and the PPM was 180. What caused that? Would rockwool do that?

I started my system last week and plants are about 1 inch tall. From the start I added the three part flora nutes. PPM at about 300. Now Im reading that I shouldnt have started with any nutes at all. Plants look fine but what should I do? Planning to change water regardless, but do I stay...

Rob, Great link!

Im working on my first grow and more interested in what I learn rather than what I get. I still want results, but Im not after the mother load here. The objective would be to take a crash course from start to finish and then get serious on the next grow. If I grow my plant with 24/7 light...

Its not going to be as easy as you might think. Thermostats are set to run on 12 or 24 volts. Your blower is 110v. This means your going to need a transformer to convert your current to run the thermostat and a relay to switch the fan on and off. If your trying to cool things down the...

whats h2o2 ?