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SHOGUN Calmag

£1495
Tax included, shipping and discounts calculated at checkout.


Shogun – CalMag | Essential Calcium & Magnesium Supplement (NPK 2‑0‑0)

Shogun CalMag is a vital additive that supports plant health, structural strength, and nutrient efficiency—ideal for use throughout both vegetative and flowering stages. Designed by biochemists, this easily absorbable blend delivers essential secondary nutrients, including a touch of nitrogen and chelated iron, helping your plants perform at their best.


Key Benefits

  • Enhances nutrient uptake and translocation, elevating the effectiveness of your base feeds

  • Supplies Calcium (3.2%) for stronger cell walls and improved resilience against environmental stress

  • Provides Magnesium (1.2%), the core of chlorophyll, boosting photosynthesis and healthy green growth

  • Includes Nitrogen (2.6%) to aid chlorophyll synthesis and early plant strength

  • Contains Iron (0.1%) in chelated form to prevent deficiency in challenging media like coco

  • Works as both a root feed and a foliar spray, allowing flexibility in application methods

  • Prevents and corrects Cal/Mag deficiencies in soil, coco, and hydro systems


How to Use

  • Root Feed: Add 1–2 ml per litre of nutrient solution from vegetative stage through flowering

  • Foliar Spray: Apply 10–15 ml per litre of water once per week to correct nutrient imbalances (pH 5–7)

  • Best used together with base feeds and flowering additives for enhanced performance


Available Sizes

  • 250 ml

  • 1 Litre

  • 5 Litres

  • 10 Litres


Why Choose Shogun CalMag?

This clean, scientifically formulated Cal/Mag booster ensures your plants can fully utilise your base nutrients. Perfect for high-demand methods like coco or hydroponics and highly effective as both preventive and corrective feed.