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How to use Superthrive.

Discussion in 'General Marijuana Growing' started by bigv1976, Sep 11, 2010.


    bigv1976 Well-Known Member

    Can someone tell me the best way to use Superthrive? There are instructions on the bottle but it says you can use daily but I have read on here that is not the way to go.

    bigv1976 Well-Known Member

    The Ruiner

    The Ruiner Well-Known Member

    Use it weekly really, or as a foliar. Super diluted in both ways...Think of it as a treat.

    bigv1976 Well-Known Member

    Do I lose it entirely during flower?
    Total Head

    Total Head Well-Known Member

    superthrive supposedly helps blooms last longer on regular flowers, so the thinking is it extends flowering time (ripening) in cannabis, which most of us would like to avoid. i have quit using it entirely except for making a solution to germ seeds, and i have had 99% germ success ever since. it's acidic and gave me some ph issues so that's why i quit using it during veg, but if i had more space and plants to work with i would experiment with it more. definately keep it on the lower end of the dose and keep an eye on your ph.

    bigv1976 Well-Known Member

    Thanks a bunch TH.

    bowlfullofbliss Well-Known Member

    I use it from clone to finish.I put a drop per gallon in my clone machine, and I add a drop per gallone to every res change. Don't be afraid, just don't over do it. Pesonally, I do not use it as a foliar, but that a personal choice.

    wpuckw Member

    I have been instructed to use superthrive, because I believe my plants need a boost for their roots. Also I believe I have "nute burned"? (added to much nute) how to correct this prob. I know to back off on the nutes.... but I have heard to use like a final flush or just plain water, for a period of time till I go back to feeding them.

    deejay123 Active Member

    Transplanting tomorrow into 11 litre pots, gonna use this for the first time just on its own with no nutes! See how it goes

    Ztelthy Active Member


    Quick Question if I may?.. :- I am running a 31L Res.. (DWC) ... What is the "RIU RECOMMENDED dosage ??" +REP! for best answers !! :) :)

    Oh...I'am using 7.5ml Superthrive per 31L at the moment..and only add it if the plant/s look slightly droopy/un-happy ..as a kinda pick me up :) ..

    If anyone uses it in a more beneficial way I am all ears and open to suggestion .. - ZTELTHY :leaf:
    past times

    past times Well-Known Member

    Sparingly. I only use it during times of stress. After trims, transplants, things like that.

    jondamon Well-Known Member

    I used to use 1 drop per gallon during veg or cloning.

    IMO its another pretty pointless purchase. If you are feeding correctly and have your environment dialed in you will never feel the need to use it.

    Young Contemporary Peter

    Young Contemporary Peter Active Member

    Lololol. I transplanted some plants, poured a cap full of Superthrive in a gallon of water, and used it to feed my plants after transplanting.

    Now I'm not saying you should do that, but that's just what I did.

    This is my current grow, check it out: CFLs Week 2/3 (2 - 22" 6500k and 8500k light bulbs)

    buffalowild Member

    It slimed my res pretty bad, be careful.

    drolove Well-Known Member

    i use 1 to 2 drops per gallon every feeding. honestly havent noticed a difference with or without it but what the hell i got it so im gonna use it.

    Ganjahoarder Active Member

    On the internet it says use it all the time. Everything on the internet is true, right?

    kingmat8787 Active Member

    I use it only when i plan on inducing stress, or after stressing the plant. Transplanting, pruning, Supercropping, fimming..you get it. i use it as directed 1/4 tsp per gal. i dont foliar feed with it as i heard its contains somthing bad for foliar feed( axioms or something), i dont know if this is true but i kept it out of my routine. and as far as a differance i cant say either way cause im on my first real grow and have used it through out, but i can say that when i transplanted, and FIMMED my girls show no signs of stress and normal vigorous growth resumes withing 24-48 hours consistently. Also im planning on giving them one more treatment and cutting it out when i switch to flowering, as it will lengthen the flowering time, but i may continue to give it to one to see if its true and how significantly it extends flowering. Possibly give the buds a chance to pack on a few extra inchs, I dunno but we will see. Check my Grow Journal to see what im working on.

    unohu69 Well-Known Member

    best way to use superthrive is, store in fridge. leave it there, forget about it. your plants wont notice one bit.

    smellzlikeskunkyum Well-Known Member

    Wow there is a LOT of info going all over the place when people ask about this stuff. some claim never use it during flower, or as a foilar. some say u can use up to 1/2 tbls per gallon, others have said as low as a 1/4 tsp per gallon. some say only to root clones and early veg, others use all thru flower until flush.

    I almsot spent the $10 at home depot to get the stuff but im afraid of all the mis matched info on how to use it
    Young Contemporary Peter

    Young Contemporary Peter Active Member

    What do you mean by slimed you res?

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