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Originally Posted by Mr.GoodStuff
The deficiencies showing in the Lucas formula happen because people don't feed at the recommended strength.
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Ah. That could be the problem then. Since I had to leave and since I've heard from several sources that WW is nute sensitive, I started them out at about 2/3 the recommended "young plant" strength. I bumped them up to full "young plant" strength (0-4-8) on Monday, and bumped them up to full veg strength (0-5-10) this morning. Hopefully that will take care of the cal/mag problem.
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That's why he recommends not stepping up the strength and just giving the plant 2.0 EC in HID light regardless of it's age or size.
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Hmmm...I'm reading this and wondering if I've got an older or outdated copy of the formula to work with. The version I have has three recommended strenghts - one for seedlings, one for full veg, and one for flowering. Do you have something more recent (besides wading through the 300 some-odd pages of his "ask Lucas" thread? LOL).
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In your case it's a little bit more complicated because you are using CFL's- from what he says it's OK to use 1.6 EC but that might be better for stronger floro light like T-5s.
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CFL's go bye bye this weekend anyhow, so that'll solve the problem. The only reason I didn't hook up the HPS last night is that I didn't realize the can-fan I bought from Home Depot needed to have a pigtail wired in to it. Got the pigtail now and will get it all set up in the next day or two.
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The modified Lucas formula using cal/mag is for Pure Blend Pro- not Flora series or Nova. The Flora series and Nova has it all- some like it stronger, some weaker- but that's it.
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Naw...I actually don't think this is something that Lucas has put out. It's something someone else worked up based of the Lucas Formula. The guy's a well respected grower on another forum and this modified formula has gotten raves from everyone who's used it. It's a bit more complicated than the basic Lucas, but still seems to preserve a lot of it's advantages.
http://boards.cannabis.com/hydroponi...rt-calmag.html
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Ask Lucas though, he'll tell you what is happening better than I can... I'm just a parrot right now for him LOL
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Hey...that's MY line lol. Naw, parroting is good, actually. It's one of the ways we learn, and it keeps poor saps like me from having to spend forever searching through a bunch of information
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