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DutchGrow Cocos A 2-component fertilizer

DutchGrow Cocos A 2-component fertilizer

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A professional, fast-acting two-component fertilizer for cultivation in coco coir.

To be used in combination with Cocos B only.

Cocos A&B is a fast-acting, professional-grade fertilizer for fast-growing plants, containing all essential nutrients for optimal growth and flowering.

It includes fulvic acids to enhance nutrient uptake, strengthen plants, and enable faster growth and larger yields. Cocos A&B is used for both the vegetative and flowering stages due to its interaction with the coco coir substrate. Cocos A&B is especially suited for use in open hydroponic systems (with drainage).

SKU:SKU: DG013001.1

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Comprehensive information

DutchGrow Cocos A&B

DutchGrow Cocos A&B is an advanced, professional-quality fertilizer, specifically designed for growing plants in coco. It provides all essential elements needed for optimal growth and flowering.

There is one special formulation suitable for both phases. Initially, the coco substrate holds the flowering elements in the nutrient solution. Over time, the substrate becomes saturated, making these nutrients available when the plant starts to flower. It couldn't be simpler!

Thanks to extensive research, DutchGrow has succeeded in developing a fertilizer that perfectly matches the characteristics of coco substrates.

DutchGrow Cocos consists of high-quality minerals and contains natural chelates, humic, and fulvic acids that guarantee optimal nutrient absorption for the plant. Growers worldwide have been enthusiastic for years about the explosive growth and lush flowering made possible by DutchGrow Cocos.

Why an A & B nutrient?

DutchGrow Cocos plant nutrition consists of two parts, part A and part B, for a reason. The required amounts of calcium and phosphate for optimal nutrient function are quite high. If you were to combine these highly concentrated elements in one bottle, they could conflict and clump together. By separating these two elements and then mixing them with the water in your nutrient reservoir, no issue arises. Therefore, you add the A component first and then the B component.

User manual

  • Shake well before use.
  • Fill the nutrient solution tank with water.
  • Add Cocos A and B (20-40 ml) per 10 liters of water in equal amounts as follows:
  • Add Cocos A to the nutrient solution tank.
  • Stir well and then add Cocos B.
  • Stir again thoroughly and let the mixture rest for a few hours.
  • The EC value of Cocos A&B fertilizer dissolved in (tap) water varies between 1.2 - 2.3 mS (= EC value of the solution plus EC value of the water).
  • Recommended pH value: 5.4 - 6.4.
  • For intensive cultivation: apply 1-3 times per day and ensure the drainage is between 10% and 20%. This means 4-6 liters of nutrient solution per m² per day.
  • See for more information. DutchGrow Cocos A&B fertilizer can be used in both the growth and flowering phases.
  • NEVER mix the A and B components undiluted together. This will create insoluble compounds.

Nutrient content

Nitrogen total (N) 3.75%. Nitrate nitrogen (NO3-N) 3.9%. Iron (Fe) water soluble 0.19% (as 100% chelate of DTPA).

Other ingredients:

Potassium oxide (K2O) water soluble 0.6%, Magnesium oxide (MgO) 0.6%, Calcium (Ca) water soluble 6.5%.

The fertilizer also contains: Fulvic acid 0.0005%.

Storage conditions

Keep packaging hermetically sealed. Store only in the original packaging. Store away from heat, light, and frost. Recommended storage temperature 10 - 30 °C. Do not allow undiluted product to reach groundwater/surface water or sewage system. Product is at least shelf-stable for 3 years from the production date. Production date/batch number: see packaging.


Contains: Calcium nitrate. H318 Causes serious eye damage. P101 If medical advice is needed, have product container or label at hand. P102 Keep out of reach of children. P280 Wear eye protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes; remove contact lenses, if present and easy to do; continue rinsing. P310 Immediately call a poison center or doctor. UFI: N600-6058-K00K-5H5R

Safety data

Nutrient schedule

For optimal growth and flowering of plants in coco, follow the DutchGrow Cocos feeding schedule. Start with DutchGrow Roots for strong root development. Then use Cocos A+B for nutritional support throughout all growth and flowering stages. Implement DutchGrow Clean to keep irrigation systems clean, and DutchGrow Enzyme for healthy soil through the breakdown of dead plant material. Finish with DutchGrow XL and PK 13/14 during the final flowering and ripening phases for maximum yield and quality.

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