Shogun Samurai Coco A & B — Complete Two-Part Coco Nutrient with Yield-Boosting Technology
Best for: Coco growers wanting a single formula that covers veg and bloom without separate bottles or guessing on dosing
Our thoughts
Shogun Samurai Coco does something clever: it solves two real problems coco growers actually face — false drain and inconsistent feeding — without making the nutrient regime more complicated. The SmartZen yield tech is backed by proper testing (6-8% yield increase), not marketing fluff. One we recommend a lot for growers moving up from basic feeds.
Shogun Samurai Coco A & B is a complete two-part base nutrient formulated specifically for coco coir growing. It uses a single formula across both vegetative and flowering stages, eliminating the need for separate Grow and Bloom bottles. What sets it apart is dual proprietary technology: AquaZen Slow Water (which fixes uneven nutrient absorption in coco) and SmartZen Yield Maximiser (proven to increase yields by up to 8% above standard NPK). It's the kind of kit that removes anxiety from nutrient choice without overcomplicating things.
How it compares
In the mid-market coco nutrient space, Samurai Coco sits between basic one-part feeds and premium specialist ranges.
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vs CANNA Coco: Same single-formula approach, but Samurai adds yield-boosting SmartZen tech and false drain prevention
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vs Advanced Nutrients Sensi Coco: Simpler mixing (true 2-part), lower cost, comparable performance with different technology focus
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vs Terra Aquatica DualPart: Both do the job without separate Cal/Mag, but Samurai's AquaZen addresses a real coco problem competitors don't specifically tackle
The real difference is that Shogun identified an actual pain point — false drain in coco — and engineered a solution for it. That's not marketing, that's useful.
Usage guidance
Dosing by growth stage
Samurai Coco works at variable strength across a typical 4-week veg and 9-week bloom cycle:
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Weeks 1-2 veg: 2ml/L of each part (A and B)
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Weeks 3-4 veg: 3ml/L of each part
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Weeks 1-3 bloom: 4ml/L of each part
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Week 4 bloom: 3-4ml/L of each part
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Weeks 5-7 bloom: 2-3ml/L of each part
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Week 8 bloom: Stop nutrients, water only
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Final week: Water only
Mixing (this matters)
Always dilute Part A fully into your water first. Then add Part B. Never mix the concentrate bottles together — they're separate for a chemical reason. Undiluted mixing causes a reaction that makes both products ineffective.
Coco-specific technique
Coco needs aggressive drainage to work properly. Aim for 20-40% run-off every single watering day. This keeps the root zone fresh and prevents nutrient creep. That's where AquaZen comes in — it ensures the nutrient solution actually soaks the medium rather than channelling straight through.
Integration with other products
Samurai Coco is a complete base nutrient on its own. Many growers add Shogun Sumo Boost during mid-to-late bloom for extra flower development, but it's optional, not essential.
Technical specifications
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Format: Two-part liquid (Part A and Part B)
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Application rate: 2-4ml/L depending on growth stage (see usage guidance above)
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Target EC: 1.0-2.5 mS/cm in final solution
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pH range: Formulated for coco's natural 5.3-6.3 window
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Medium: Coco coir only (100% formulation, not suitable for soil or hydroponics)
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Growth cycle: Single formula covers vegetative and flowering (4-week veg, 9-week bloom standard)
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Key ingredients: Nitrogen, calcium (optimised ratio for coco), SmartZen Yield Maximiser (sterol, lignan, tannin, lipid, and hydrocarbon blend), AquaZen Slow Water (surfactant for absorption)
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Storage: Cool, dry place. Keep above 7°C to prevent crystallisation
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Available sizes: 1L, 5L, 10L, and 25L
Who this is for
- Coco growers tired of managing separate Grow and Bloom bottles
- Growers who've had false drain problems and want a proper fix, not a workaround
- Anyone scaling up from basic one-part feeds to something with real yield science behind it
- Budget-conscious growers wanting mid-market performance without premium pricing
- Growers who want to dial in yield without adding complexity to their mix
Not suitable for soil or hydroponic systems — this is coco-specific. If you're growing in soil or running a true hydro setup, the Samurai Terra or Samurai Hydro ranges are the play.
Our take
Samurai Coco solves real problems. False drain is genuinely annoying in coco, and the SmartZen yield tech is backed by trials — you're not paying for a name. It's a proper mid-market nutrient that doesn't overcomplicate things, and the single-formula approach is a genuine time-saver if you're running multiple spaces.
Good time to buy while clearance stock lasts. Does exactly what it should, day in, day out.
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