i bought a bottle of this stuff which claims to enhance flower mass in the final stage of flowering. it contains .75% sea kelp extract and .01% vitamin b1. the directions say to apply for 2 consecutive feedings 1tsp per gallon. and i plan on using this with molasses and i hope to see spectacular results. but i was just wondering how this stuff hardens flowers? im guessing it has something to do with cell division? ill do some before and after pictures for fun if anyone is interested. heres a shitty picture.

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How it works I'm not sure, may contain an ethylene-like compound and most likely a lot of hormones derived from the kelp (cytokines, auxins, gibberelins ,etc). Since cytokines travel upward from the roots to the stems naturally, it is most likely based on that class of hormone. Zeatin is the most prominent cytokine in the plant world and most likely the prime ingredient since they are naturally derived. Gibberellins are of no use (unless you want the tallest piece of shit plant out there) and auxins tend to delay harvests while staying localized in the roots when applied to the roots (superthrive etc.). So to answer your question on HOW it does what it does, don't even bother. With hundreds of naturally occurring hormones in kelp and thousands of ratios to formulate, best just ignore the HOW.

I have used it on two of my past grows and it does work very well but be warned, more is NOT better! I like to start with a half-strength solution and work up from there. Humbolt County products are amazing but they often burn plants to death when used improperly or for no reason at all. My last crop I was over zealous and used PurpleMaxx in conjunction with Gravity without leaching the soil first. What a mess! Half of the foliage was gone in 3 days!
Best to always use it without nutrients and after you flush the soil. The company claims that Gravity (and other products) increase nutrient uptake. If this is actually whats going on or not, keep nutrient levels low when first applying, just in case!... and that goes for hydro as well.

Keep using that molasses though! I think that was the only thing that saved the plants and boy were my buds sweet!

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I don't know about Gravity, but I use a kelp product to help with secondary metabolic processes, which are mostly missing in hydro growing compared to bio. The basic salts will promote primary processes very well, so I add Floralicious Plus, which has a lot of other good stuff in it, much like Gravity.

HTH

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alot of leaves on my plants are turning a light green color. im guessing this is because i added them to my nutrients? i applied it just how it said to on the bottle. will i have to flush my plants again? i harvest 3 on jan 2nd and 3 on the 8th. i just flushed them about 2 weeks ago. any advice from some of you gravity users would be nice.

It WILL burn your shite! Be very careful! I use NO NUTES and 1/2 the suggested dosage with Purple Maxx. It really works but you can burn down your crop fast!!!!! Sometimes 12" light raise is not enough (depending on how much light you use- my room looks like the inside of a nuclear reactor with 2x600WHPS per 9 Sq. ft.-) I know it might seem like overkill to some of you but remember the SUN produces the equivalent of 15,000 Watts per square meter.

I run the gravity @ 1ml/gal w-1/4strenght nutes for three feeds then I use the purplemax @ 2ml/ gal with 1/4teaspoon molasses/gal one time then start the 2 week flush after that---works like a charm---zero burn---lights raised 12"

Perhaps I'm just too slow, but could someone explain exactly what Gravity does? Just increase hardness? And what does PurpleMax do?

Anyone use them in addition to overdrive?

organic solution to overdrive

So no need to use it if you are already using overdrive? If so, what is the appeal of using gravity over overdrive? just the organic component? Overdrive cost about $28 for a liter, gravity is $28 for 8 oz. What's the appeal?

The concentration of product----I like the AN line and overdrive is a good product but GRAVITY is just a little better. Get the gravity and purple max and use them together.