Plant Success Orca Liquid Mycorrhizae Root Booster
Plant Success Orca Liquid Mycorrhizae Root Booster
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Order by 3pm Mon–Thu for next-working-day delivery · FREE delivery over £50 · Free Wembley pickup
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Build a Root Zone That Feeds Itself
Orca is a liquid mycorrhizae and microbial supplement that colonises the root zone with 11 different forms of plant-beneficial bacteria alongside beneficial fungi. Those organisms extend the effective reach of the root system, so plants access more of what is already in the medium and nutrient uptake improves without changing your feed. A well-colonised root zone also forms a barrier against disease and infection, reducing the chance of root problems taking hold. The formula is highly concentrated and easy to apply, and works in any growing medium and most hydroponic systems, including DWC.
Key Benefits
- 11 strains of beneficial bacteria plus beneficial fungi for a resilient root culture
- Improved nutrient uptake from feed you are already mixing
- Barrier against disease and infection, reducing the risk of root disease
- Works in every medium and most hydroponic systems, including DWC
- Highly concentrated and easy to dose, from 0.25ml per litre in soil
- Supports bigger yields by keeping roots healthy and feeding all cycle
Weak Roots and Nutrients That Never Reach the Plant
Slow growth and poor nutrient uptake usually start below the surface. A sparse or stressed root system cannot explore enough medium to keep the canopy fed, and it leaves the door open to root disease. Pale growth, transplant shock and stalling after a repot are the visible end of a root zone problem. Inoculating early builds the network that keeps roots exploring and defended.
How to Use
- Soil: mix 0.25ml of Orca per 1 litre of water
- Hydroponics: use 5ml per 20 litres of water, at least every two weeks
- Stages: continue applications through both grow and bloom
- Stop point: cease dosing at least 4 weeks before your desired harvest date
- Mixing: do not mix Orca with other nutrients, as this can harm your yield
- pH: apply to a solution already adjusted to the normal range for your medium
Technical Specifications
- Brand: Plant Success
- Product: Orca liquid mycorrhizae
- Contains: 11 forms of plant-beneficial bacteria plus beneficial fungi
- Soil dose: 0.25ml per 1 litre of water
- Hydroponic dose: 5ml per 20 litres of water, at least every two weeks
- Stages: Grow and bloom
- Stop before harvest: At least 4 weeks
- Suitable for: All growing media and most hydroponic systems, including DWC
- Warning: Do not mix with other nutrients

Free next-day delivery on orders over £50 (order by 3pm Mon–Thu). Heavy-item surcharges are always shown at checkout before you pay — we only ever charge what delivery costs us. Prefer to collect? Free pickup at our Wembley store.