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Plant Success Orca is packed with the mycorrhizae to promote a healthy root system. This all-in-one concentrated liquid mycorrhizal inoculant includes four highly effective endomycorrhizal species with 11 super-aggressive bacteria strains. The liquid formula is cleaner and easy to apply. In addition, this natural root booster will increase nutrient and water uptake, protect against transplant shock, prevent drought stress and result in overall higher yield.

  • Orca® can be used on seeds, cuttings, in coco and soil or in any hydroponic system.
  • Beneficial bacteria, fungus, and microbes support plant root growth and development.

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!

See it for less somewhere else? Give us a call and we’ll beat any online competitor’s price!

Customer Service:  1-866-710-GROW (4769) | | Hours: Mon-Fri 9:00 a.m. to 5:00 p.m.


Orca is a highly concentrated liquid mycorrhizal and beneficial bacteria product. It brings together 4 highly effective endo-mycorrhizal species with 14 super effective bacteria strains. From the people who brought you Great White, this all-in-one inoculant is all you need when it comes to beneficial supplements.


Seeds: Use 1-2 drops directly on seed.

Cuttings: Soak starter cubes in Orca® at 1-3 mL per 1 gal (4 L) of water for up to an hour. Orca® can also be used in pre-soak solution.

Hydroponics: Use 5 mL per 10 gal (35 L) of water every reservoir change from start to finish.

Soil, Coco, and Top feeding: Use 1-5 mL per 1 gal of water. Water into existing plants.



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