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Growing in flood and drain tables in 6" rock wool cubes. I have been flooding my tables to 3" once a day in flower and have come across some posts that show flooding to as low as 1/4" and twice a day. This would have advantages as it would require smaller reservoirs and less waste and expanse...

Link doesn't work but here is the bottom line Results It has been more than two years since the ozone system was installed and it continues to deliver positive results. Figure 2 shows the very clear difference between the original raw water and the post-treatment water. Hydrogen sulfide was...

Thanks loftygoals I was thinking about keeping algae and other growing stuff out of the res. I'm doing a flood and drain in rock wool cubes and while it doesn't get to bad between res changes, it would be nice to keep it cleaner. I have read about aerating with O3 and having it provide extra...

Anybody using a Ozone generator in their Res? If so what kind and do you think it help keep the solutions cleaner? TX

Having similar problems with a DIY aerocloner. have tried my 7.0 ph water at 70ppm after the chlorine escapes, tried Ph ing it down to 6.0, adding light nutes. WTF some of the clones develop roots after 3 or more weeks...Finally tried clonex, powder root tone..... rumor would have it that it...

How about some pic's , so we can see what the problem is....

Where do you have the tent? what is the RH and temp. out side of the Tent?

I agree...

Ain't that the truth...

Why not use hydrogen peroxide and provide a little extra O to the roots..

I wait till the first set of real leaves develop, and start with very weak nutes...

https://www.rollitup.org/t/day-57.876984/ pic's here fore your viewing pleasure. you can get larger that that but it is hard when holding the scope by hand on plants. Easier if you trim a bud and have the scope in its mount. enjoy

looking for a meter to check out how much light is getting where and am a little confused as to what ot buy. Lux, lumins,par UMOLs/m2? not sure what unit of measurement is best for LED lights, or for tweaking my lights to the betterment of my plants. Researh show me that conversion factors...

http://www.amazon.com/VicTsing-Portable-Microscope-Endoscope-Otoscope/dp/B00L373OK2/ref=sr_1_24?ie=UTF8&qid=1446216460&sr=8-24&keywords=pc microscope get one of these and you will be able to see the tric heads fine. takes pic's too. It is the one I use

plants are looking good. I think they could stay a little longer from the pic's, but they would taste good now. I have had some strains that wanted to wait 10 weeks, no matter how bad I wanted to harvest them....LOL

a Other than stretch (all of the plants with blue light had the same height) all of the plants appear healthy and seem to have the same number of leaves and similar root structure. So the light color does not appear to influence health or growth in the vegetative stage. That is unless you...

ran across this article and found it interesting. Not sure if I agree 100% with the conclusions, but judge for yourself..... Green light: Is it important for plant growth? Green light is considered the least efficient wavelength in the visible spectrum for photosynthesis, but it is still...

I was all worried I would screw it up and took about 3 months to build mine... LOL It was easy and so far works great. If it ever brakes it will be easy to fix also. waiting on the fans and power supplies and I will start the next 4... Lock and Load Thanks again Reals

Right on, can't beat those lights for $600. Got to ask the power company if I can get a rebate for replacing my HPS's.... would be great if the rebate was $600.....LOL

looks like it could use some nutes... good luck it is looking good.