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Gibberellic acid (also called gibberellin A3 or GA3) is a hormone found in plants and fungi. Its chemical formula is C19H22O6. Our GA3 is 90% pure and perfect for sprouting seeds especially old seeds and hard to sprout seeds like Solanum centrale. Each order consist of one gram powder with instructions and measuring spoon.  You can presoak thousands of seeds with one gram!


WARNING: Do NOT inhale This Product! Only use recommended dosage and follow instruction exactly! Using to much GA3 can an will kill seeds so be sure to follow instruction carefully.


Read more about Gibberellic acid HERE.

GA3 Gibberellic Acid 90% Pure

SKU: 77043-1GR
  • Quantity

    1 Gram Powder With Spoon


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    See shipping page for more details.

    FREE shipping on orders over $50

  • Review Video



    1. Mix one spoonful (0.15 mL Mini Measuring Spoon) in 15 drops of rubbing alcohol in small cup or shot glass. GA3 mixes best when alcohol is heated up but not required.


    2. You can add one drop of shampoo as a wetting agent but not required.


    3. After one hour mix GA3 with one cup distilled water. You are now ready to use on seeds!


    4. You can presoak seeds up to 24 hours but recommended 12 hours. DO NOT over soak seeds more then 24 hours as it will cause sprouts to elongate and stunt. YOU DON'T NEED MUCH Little is more. Also do not water into soil.


    5. You can refrigerate for up to one week.


    CAUTION: Do NOT inhale, ingest and keep away from children. Keep products out of sunlight and store in a glass mason jar in dark place. This product last about 2 years before it expires.

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