Will 150w HPS outperform 372w of T5HO?

I'm glad you mentioned the fish, because I honestly have never understood what the plants were deriving from them. I would like to know more about this. I have tried fish emulsion fertilizers in my garden but my cats begin earnest excavations and make a huge mess of things. I also wonder what exactly is in the kelp. Whatever it is, FF has figured out the right formulation. And I should point out that my little essay above was full of gross generalities. Different plants have different requirements and metabolic tendencies, but the points concerning ionic form and ion-based blockage is really important. That's why I cringe when I see first time growers opting for grocery store potting soil and Miracle-Gro. JUST SAY NO.:stoned:

Also my bad, Ammonium ion is NH₄⁺, nitrate is more properly NO₃^-, and sulfate is SO₄^2- . Catbuds I think you know that and you didn't call me out on it!:thumbsup:

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Originally Posted by Chromophore

Also my bad, Ammonium ion is NH₄⁺, nitrate is more properly NO₃^-, and sulfate is SO₄^2- . Catbuds I think you know that and you didn't call me out on it!:thumbsup:

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I didn't even notice. Anything remotely reassembling math, I memorized just long enough to ace my mid-terms! LOL! Straight up hort wasn't quite as technical with the numbers, some of the required botany was though. Those classes stressed me out. I was scared to death they would ruin my perfect GPA, but no. They just gave me an Ulcer instead! Things like trig & higher math? Yeah, I aced it back then. Must have only stored that stuff in my short term memory, as soon as I was out of college, I kicked the numbers right out of my head! Now a days I have to use my fingers for multiplication! Ha! Sad but true.
-- Grocery store soil? Might as well plant it in the toilet! MG or any monsanto product or their modified genetics can send me into a very LONG rant. Highly paid advertising has completely brain washed the public. I honestly think you could sell vomit if it was pushed by the big advertisers. People are becoming more like cattle everyday. You can herd them up & lead them anywhere. No wonder we have such asses in political offices. That's another rant, & I've already had it. ~~~ PEACE!~~~

OMB forgive us for threadjacking, but Catbuds has a way of making me laugh and want to talk shop. I would only argue that humans acting like cattle is nothing new. The techniques for taking advantage of that property have simply become more sophisticated. But enough of that. I know it sounds snobbish, but I will never back down from pushing organic soil and nutrients, in ANY type of growing.

No worries Chromophore, it's all good!....and I'm not one of the "Cattle" types myself, I dance to my own beat. ;) I tend to want to divert from the "masses", it's not my cup of Tea to be a Conformist.
You guy's chat away, it's all good info my friends. :thumbsup:

OMB, I just noticed no one answered your question on molasses! I'm sorry. Any molasses is good as long as its low sulphur. Most (but not all) molasses that contain sulphur will be labled as sulphured molasses. I used to use blackstrap in puppy & kitten formulas, but I don't remember if it contained sulphur. I'd say probably not, since it never made them gassy, but read the lable to make sure. Brand names vary according to locality. When I was a kid, I used to stir blackstrap into milk just like hersheys syrup. Shit was good with apple pie! Ohh, & buttered biscuits & jelly! Shit. Now I'm hungry! LOL! :) :) :)

I use animal feed grade molasses. It contains no Sulfur.

Thanks Shovelhandle! How much should I use per gallon of H20?...and how often? All they have gotten is that Terra Flores 2-2-4 after they go 12/12.

I can't say what you should use. somewhere between a teaspoon and two tablespoons per gallon. I go about the middle of that, 1 tablespoon / gallon. I use molasses with the nutrients only, Feed-Water-Water.

The T5 girls are clearly pulling away from the HPS....I added a couple CFL's to the HPS girls to help them out, it was a "No contest" at this point.
The T5 girls have more nodes, bigger flowers and are fuller...but it ain't over yet, and I win either way.
New pics later when they "wakeup".