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I watered with 7.0 ro water tonight and all the plants seem to be happy. I think next watering I will shoot for 6.2-6.3 range and keep the ph changing constantly to uptake all the different nutes. When I grow hydro I usually let my res flux from 5.5-6.5 and I rarely encounter any problems.

I've been ph'ing constant at 6.5l and I am starting to believe thats causing problems as well. From now on I am going to rotate PH between 6.0 and 7.0 and keep it dynamic to get different ranges of uptake.

http://www.youtube.com/watch?v=jgKanAhPC9A

http://www.youtube.com/watch?v=yEJUPodcZho

I understand this but I have used half the suggested doseage 2 times, and full dosage of cal-mag 1 time during the plants entire life (4 weeks veg and 4 flower) so do you really think I already gave it enough in those 3 waterings with cal-mag? It was only about a week or so ago I realized there...

The lights are 55" from the ground, about 24" from the canopy. Next round I will lower the lights about 12 inches, so after stretch they sit about 12" away.

All the plants took it pretty hard, I wouldnt judge this round by the lights. You have to take into consideration these plants had no Calcium throughout its 6 week veg or through the first 5 of flower. Yes I have been correcting the nutrients for the last week or so, but in the scheme of the...

I started adding Cal-Mag 3 feedings ago, half strength the first 2 times and then full strength last time. Any comments on what they think is going on with the fan leaves. I am wondering if its mg def or its too much calcium causing a lockout.

Spectra Blackstar Penetrator

I don't have a PPM meter, but the same PPM as the Blackstar tent. I use Dyna-Gro so I would not guess too high until I use Bloombastic (the last 4 weeks). Ill grab a meter when im out though so I can report in PPM because you aren't the first to ask.

If I were you I would call and let them know about the situation and see if they say they can/will do anything for you. Maybe they would send out a new power supply and let you swap it with the old one if they feel it would help or something? I have owned 6 Blackstar lights to date and haven't...

14 to go.. Spectra Blackstar Penetrator I was also talking about how I love my tent because the fabric and stitching held up against a bare pole poking it with approx 60-80 lbs on it (because my ghetto metal gate lighting rig broke the plastic corner joint of the tent). I...

@FMCC - I'll get full plant shots when the lights kick on.

Well the clone seems to be doing pretty well so far.. but its only been 5 or so days. I will put up a thread in the next day or so and PM you the link if you want

Right on. I'm real interested to see how it will do! I am growing soil right now but I usually mess with hydro. I actually mixed 30% hail to FFOF soil to see if it would extend me between watering times with a new clone I just took lol.

Have you looked into trying STG Hail instead of hydroton?

I found a pack of CLFs laying around so I added 4 - 23w CFL's to the veg section of the garden.. $34 in clamp lamp cords later lol. http://www.youtube.com/watch?v=J9ohzTuJe1M watch in 1080p if you can!

No set plans. It really all depends on the results of the testing. This experiment will last me a while since I would like to do a few more runs with these lights and possibly try out some other brands of LED as well. Once the experimenting is over, I might not even keep the tents and just go...

I am Cornholio.