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Plant Success Great White®, a combination of beneficial bacteria, microorganisms, and vitamins, helps plants grow stronger, healthier roots that take better advantage of available nutrients and water. For hydroponic applications, mix one ounce of Great White with every 25 gallons of water. The same ratio of Great White to water can be used as a drench for soil gardens.

  • Great White® can be used on seeds, cuttings, in hydroponic systems, coco or soil.
  • Fungal and bacterial activity in the soil supports powerful root development and nutrient uptake.

Your Garden's Success is our #1 Priority

HTG Supply is committed to providing you with the very best products, pricing and service in the industry. We will ship your order fast and discreetly packaged to protect your privacy. Buy with confidence knowing your HTG Supply purchase includes simple returns as well as lifetime product support. Call our team of real growing experts with your purchasing or product use questions, and we will be here to help!

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Great White is one of the most complete mycorrhizal product on the market. Plant Success’s cutting edge formula contains 16 different species of mycorrhizal fungi, 14 different species of beneficial bacteria and 2 species of trichoderma, all in one product. Research shows that this powerful formula will encourage plant and root development, giving plants the tools they need to maximize yields.

Great White’s premium and concentrated formula aids optimum colonization of root systems by the fungi. The water-soluble powder makes application a snap and delivers the spores directly to the roots for immediate germination. Users should look for explosive root development, enhanced yields, fruiting and flowering, nutrient and water absorption and transplant success.


Seeds: Roll seeds in Great White® powder at any time in the germinating process.

Cuttings: Soak rooting media (cubes) in Great White® solution at 1⁄2 tsp (3 g) per gallon of water for up to 24 hours before taking cuttings. Alternatively, you can dip your cuttings directly into the Great White® powder after dipping into your rooting hormone.

Transplants: When transplanting fully rooted cuttings, lightly dust planting hole with Great White® powder and place roots directly on top.

Hydroponics: Use 1 tsp (5 g) per 10 gal of water at every reservoir change.

Soil and Potted Plants: Mix 1 scoop (1 tsp) with 2 gallons of water.



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