Great White® Premium Mycorrhizae 25lb Concentrate

Great White® Premium Mycorrhizae 25lb Concentrate — Multi-Species Root Zone Inoculant

Great White® Premium Mycorrhizae by Plant Revolution Inc. is a gold-standard mycorrhizal inoculant used by professional growers worldwide to maximize root system performance. This comprehensive 25lb concentrate contains a diverse consortium of endomycorrhizal and ectomycorrhizal fungal species, beneficial bacteria, and trichoderma strains — all working together to create a biologically rich root zone environment that dramatically improves plant health, nutrient uptake efficiency, and stress resilience.

Mycorrhizal fungi form symbiotic associations with plant roots, extending root surface area by orders of magnitude through a network of microscopic fungal hyphae. This expanded network dramatically increases the plant's ability to access water and nutrients — particularly phosphorus — from the growing medium. The result is faster root establishment, more vigorous plant development, improved drought tolerance, and greater overall productivity from seedling through harvest.

Key Features & Benefits

• Multi-Species Mycorrhizal Formula: Contains both endomycorrhizal species (which penetrate root cells for intimate symbiosis with most plant types) and ectomycorrhizal species (which colonize the root surface, beneficial for woody plants and certain crops), providing broad compatibility across plant species and growing conditions.
• Trichoderma Strains Included: Trichoderma are beneficial soil fungi known for their biocontrol activity against root pathogens and their ability to improve plant nutrient uptake. The inclusion of trichoderma in Great White® adds an additional layer of biological root zone protection and performance enhancement.
• Beneficial Bacteria Consortium: Plant-growth-promoting rhizobacteria (PGPR) strains included in Great White® further enrich the root zone biological community, supporting nutrient cycling, hormone production, and competitive exclusion of pathogenic organisms.
• Root Surface Area Expansion: Mycorrhizal hyphal networks extend plant root effective surface area by up to several orders of magnitude, providing vastly improved access to soil water, phosphorus, and other immobile nutrients that cannot reach roots through diffusion alone.
• Commercial 25lb Format: The 25lb concentrate is sized for commercial indoor cultivation facilities and large-scale growing operations that require consistent, cost-effective mycorrhizal inoculation at high volume.

Who Should Use This

Great White® 25lb is the product of choice for commercial indoor cultivation operations, nurseries, and large-scale growing facilities that inoculate large numbers of plants per cycle. The premium multi-species formula is trusted by professional growers who demand the highest performance from their root zone biology program. Smaller-format Great White® products are available for home growers. Pair with King Crab® Premium Beneficial Bacteria for a comprehensive root zone microbiology program.

Compatibility

Great White® is compatible with soil, coco coir, perlite, rockwool, and most other growing media. Apply at transplant time for best colonization results — place directly in the planting hole or mix into the transplant medium so the inoculant contacts the root zone. Avoid applying with hydrogen peroxide, chlorinated water, or other strong antimicrobial agents that can harm live fungal spores. Compatible with King Crab® beneficial bacteria for a comprehensive root zone inoculant program.

Frequently Asked Questions

What is the difference between endomycorrhizae and ectomycorrhizae?

Endomycorrhizal fungi (e.g., Glomus species) penetrate inside the root cells and form specialized structures called arbuscules for direct nutrient exchange — they associate with the vast majority of flowering plant species. Ectomycorrhizal fungi colonize the surface of roots and form a sheath around them — they are particularly important for many woody tree and shrub species. Great White® contains both types for broad plant compatibility.

When is the best time to apply Great White® mycorrhizae?

Apply at transplant time for best results, placing the inoculant directly in contact with the root ball or in the planting hole before transplanting. Mycorrhizal fungi need direct root contact to form their symbiotic association. Applications can also be made as a soil drench for established plants, though contact with actively growing root tips is key for effective colonization.

Will Great White® work in hydroponic systems?

Mycorrhizal fungi require a growing medium to form their symbiotic associations — they cannot colonize roots suspended in water. Great White® is most effective in soil, coco coir, perlite, rockwool, and other solid growing media. The beneficial bacteria and trichoderma strains in the product can still benefit hydroponic roots, but the mycorrhizal fungi component requires a substrate for optimal performance.

How much Great White® do I use per plant?

Application rates vary by plant size and growing system. Refer to the product label for specific dosing recommendations. At 25lb concentrate, commercial facilities can treat very large numbers of plants per package — making it an extremely cost-effective solution at scale.

Can Great White® be used with King Crab® beneficial bacteria?

Yes. Great White® and King Crab® are complementary products designed to work together. Great White® provides mycorrhizal fungi and trichoderma for root zone biological complexity, while King Crab® adds a dense population of beneficial bacteria for nutrient cycling and additional root zone health benefits.