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Shogun CalMag

Shogun CalMag

Regular price £5.99 GBP
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Safeguard your canopy against the industry's most widespread cultivation bottlenecks with SHOGUN Cal-Mag. Formulated by leading biochemists to balance secondary macronutrient ratios, this premium additive delivers highly bioavailable levels of Calcium (3.2%), Nitrogen (2.6%), and Magnesium (1.2%), reinforced with trace Iron (0.1%). It provides the fundamental structural integrity and photosynthetic power required by high-performance crops growing under intense LED or HPS lighting arrays.

SHOGUN Cal-Mag acts as a vital buffer in high Cation Exchange Capacity (CEC) substrates like coco coir, satisfying the media's natural tendency to lock away divalent cations before deficiencies can take root. Whether integrated continuously into a hydroponic reservoir or deployed as a fast-acting, remedial foliar spray, it keeps your crop structurally sound, thermally resilient, and vibrant green.

Core Cultivation Advantages:

  • Advanced Structural Engineering: Supplies clean Calcium (3.2%) to power strong cell wall formation and division. This structural fortification is non-negotiable when driving large yields with heavy PK boosters, giving stems the physical rigidity to bear dense floral mass.

  • Optimised Photosynthetic Capacity: Delivers highly soluble Magnesium (1.2%), the core central atom of the chlorophyll molecule. Increasing magnesium availability upregulates light-harvesting efficiency, preventing canopy bleaching under high-intensity LED and HPS fixtures.

  • Substrate Buffer Correction: Specifically counteracts the natural mineral absorption profile of coco coir. By saturating the coco matrix with calcium and magnesium, it displaces unwanted sodium and potassium ions, ensuring your plants enjoy constant, unhindered access to root-zone nutrition.

  • Transpiration & Thermal Regulation: Supports efficient leaf stomata function. Adequate calcium levels allow these microscopic leaf pores to regulate gas exchange and water retention smoothly, protecting your crop from transpiration shock during sudden heat or humidity spikes.

  • Chelated Iron Fortification: Enriched with trace Iron (0.1%) to support early enzymatic pathways, prevent chlorosis, and maintain vibrant, deep green vegetative growth.

Deficiency Identification Protocol

Deploy SHOGUN Cal-Mag immediately if your crop exhibits any of the following clinical symptoms:

Inadequate Element Primary Leaf Symptoms Secondary Growth Indicators
Calcium Deficiency

• Necrosis (tissue death) on young, developing leaves


• Twisted, deformed, or hooked leaf tips

• Small, brown localised spots on older leaf margins


• Weak, brittle stems prone to snapping

Magnesium Deficiency

• Interveinal chlorosis (leaf blades turn yellow while veins remain sharp green)


• Reddish or purplish tints appearing on lower leaves

• Brittle leaf textures


• Advanced leaf burn and necrotic spots in later stages

Step-by-Step Usage Instructions:

For peak efficiency, SHOGUN Cal-Mag should be used as a preventative measure in your standard feed schedule. However, if active deficiencies manifest, transition to the targeted foliar remedy outlined below.

1.Establish a preventative reservoir routine:Weeks 1 - 7 (Veg & Bloom).

For universal prevention across all growth phases, add SHOGUN Cal-Mag to your hydroponic tank, nutrient reservoir, or watering can at a rate of 1.0ml to 2.0ml per litre of clean water.

2.Dilute sequentially before adding base feeds:Mixing Order Protocol.

Fill your reservoir with water first. Add Cal-Mag and stir thoroughly before adding your base nutrients or other additives. Critical Warning: Never mix undiluted chemical concentrates directly together, as this causes instant element lockout.

3.Irrigate according to medium demands:Substrate Irrigation.

Apply the mixed solution directly to your root zone. If cultivating in coco coir, run this preventative dose continuously to satisfy the substrate's high cation binding capacity.

4.Deploy a targeted foliar cure for active deficiencies:Remedial Foliar Action.

If plants display active visual deficiency symptoms, prepare a corrective foliar spray. Dilute SHOGUN Cal-Mag at a potent rate of 15ml per litre of clean water. Do not mix other nutrients into this spray tank.

5.Adjust spray parameters and apply safely:Foliar Calibration & Spraying.

Calibrate the foliar solution's pH level strictly between 5.0 and 7.0. Mist the upper and lower leaf surfaces evenly until damp, stopping before heavy run-off occurs. Apply once a week under low light conditions—ideally just before the lights-off cycle - until visual symptoms clear.

6.Halt application before final flush:Late Stage Maturation.

Stop all Cal-Mag applications exactly 2 weeks before your scheduled harvest date. This allows the plant to naturally process remaining internal mineral reserves before the final pure-water flush.

Technical Specifications

Metric / Attribute Specification Details
Brand SHOGUN
Product Type Secondary Macronutrient & Trace Mineral Supplement
Guaranteed Analysis Total Nitrogen (2.6%), Calcium (3.2%), Magnesium (1.2%), Iron (0.1%)
Application Methods Active Reservoir Additive / Corrective Foliar Canopy Spray
Foliar Solution pH Target 5.0 – 7.0
Media Compatibility 100% Universal (Highly recommended for Coco Coir, Hydroponics, and Soil)
Storage Constraint Keep sealed and store in a cool, dry space consistently above 7°C to avoid crystal fallout
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