House and Garden Cocos Nutrient B – Two-Part Base Nutrient for Coco Coir
The House and Garden Cocos Nutrient B is a concentrated liquid base fertilizer specifically formulated for plants grown in coco coir and coco-based growing media. Designed to work alongside House and Garden Cocos Nutrient A, this two-part nutrient system provides essential macro- and secondary nutrients to support vigorous vegetative growth, healthy flowering, and efficient nutrient uptake.
Cocos Nutrient B supplies phosphorus, potassium, and magnesium as part of the complete A&B feeding program. Its balanced formulation takes into account the unique nutrient-holding properties of coco coir, helping growers maintain consistent plant nutrition throughout the growing cycle.
Ideal for indoor cultivation, commercial greenhouses, and controlled-environment agriculture, this professional-grade fertilizer suits pure coco coir and growing media with at least 30% coco.
Key Benefits
- Provides essential nutrients for healthy plant development.
- Supplies phosphorus, potassium, and magnesium as part of the two-part feeding system.
- Supports vigorous vegetative growth and flowering.
- Promotes efficient nutrient absorption in coco coir.
- Helps maintain balanced nutrition throughout the growing cycle.
- Formulated for the unique cation-exchange properties of coco-based substrates.
- Designed to work with House and Garden Cocos Nutrient A.
- Suitable for pure coco coir and growing media containing 30% or more coco.
- Concentrated liquid formula for precise nutrient management.
- Ideal for indoor gardens, commercial greenhouses, and controlled-environment cultivation.
Why Choose House and Garden Cocos Nutrient B?
Coco coir offers excellent water retention, aeration, and drainage, making it a popular substrate for professional horticulture and hydroponic cultivation.
However, its unique cation-exchange capacity affects how nutrients such as calcium, magnesium, and potassium are retained and made available to plants.
House and Garden developed Cocos A&B to address these nutritional requirements with a balanced two-part fertilizer system.
Cocos Nutrient B works together with Part A to provide the essential nutrients needed for consistent vegetative development, flowering, and overall plant performance.
Balanced Nutrition for Coco Coir Cultivation
Cocos Nutrient B contains important nutritional components that contribute to different plant functions.
Phosphorus supports energy transfer, root development, and flowering.
Potassium contributes to water regulation, enzyme activity, and overall plant strength.
Magnesium is an essential component of chlorophyll and supports photosynthesis.
When combined with Cocos Nutrient A in equal amounts, Part B completes the base feeding program, helping growers maintain balanced nutrition during changing growth stages.
Ideal Applications
- Pure coco coir cultivation
- Coco-based substrate blends
- Drain-to-waste irrigation systems
- Vegetative plant development
- Flowering and fruiting crops
- Indoor grow rooms
- Commercial greenhouse production
- Container gardening
- Automated drip irrigation
- Controlled-environment agriculture (CEA)
Product Specifications
| Specification |
Details |
| Brand |
House and Garden |
| Product |
Cocos Nutrient B |
| Type |
Two-Part Base Nutrient – Part B |
| Formulation |
Concentrated Liquid |
| NPK Analysis |
0.1-0.3-0.6* |
| Primary Nutrients |
Nitrogen, Phosphorus, Potassium |
| Additional Nutrient |
Magnesium |
| Nutrient Sources |
Nitric Acid, Potassium Hydroxide, Phosphoric Acid, Magnesium Sulfate |
| Growing Media |
Coco Coir and Coco-Based Substrates |
| Minimum Coco Content |
30% of Growing Medium |
| Application Method |
Root-Zone Feeding / Irrigation |
| Growth Stages |
Seedling, Vegetative Growth, Flowering |
| Recommended Dosage |
0.5–3 mL/L of Each Part |
| Mixing Ratio |
Equal Amounts of Cocos A and B |
| Recommended pH |
5.8–6.3 |
| Storage Temperature |
45–85°F (7–29°C) |
| Available Sizes |
1 L, 5 L, 20 L |
The 0.1-0.3-0.6 analysis is listed for Cocos Part B by North American retailers. Check the analysis printed on the supplied bottle, as regional formulations may vary.
Recommended Dosage
House and Garden recommends using 0.5–3 mL per litre (approximately 2–11 mL per US gallon) of each component, depending on plant development and the feeding schedule.
Cocos Nutrient B Dosage:
-
1 US gal (3.785 L): Approximately 2–11 mL
-
5 L (1.32 US gal): 2.5–15 mL
-
10 L (2.64 US gal): 5–30 mL
-
20 L (5.28 US gal): 10–60 mL
-
50 L (13.21 US gal): 25–150 mL
-
100 L (26.42 US gal): 50–300 mL
Important: Always add an equal amount of Cocos Nutrient A. For example, if your feeding schedule requires 2 mL/L of Part B, add 2 mL/L of Part A as well.
These quantities represent the manufacturer's general dilution range, not a fixed dosage for every growth stage. Consult the official feeding chart for exact application rates.
How to Use House and Garden Cocos Nutrient B
Fill your nutrient reservoir with clean water.
Add the required quantity of House and Garden Cocos Nutrient A first, mixing thoroughly before introducing Part B.
Once Part A is fully dispersed, add an equal amount of Cocos Nutrient B and mix again.
Add compatible House and Garden supplements individually, allowing each product to mix before adding the next.
Check the electrical conductivity (EC) and adjust the solution's pH to the recommended 5.8–6.3 range.
Apply through regular irrigation according to the plant's growth stage and the manufacturer's feeding schedule.
Important Mixing Precaution: Never combine concentrated Cocos A and Cocos B directly. Mixing undiluted concentrates can cause nutrient precipitation, reducing nutrient availability and potentially blocking irrigation equipment.
Compatible House and Garden Nutrients
Cocos Nutrient B is designed to work with Cocos Nutrient A and can be incorporated into compatible House and Garden feeding programs alongside:
-
House and Garden Cocos Nutrient A: Essential companion fertilizer required to complete the two-part base nutrient system.
-
House and Garden Roots Excelurator Gold: Root growth enhancer formulated for coco coir and soil-based cultivation.
-
House and Garden Algen Extract: Seaweed-based supplement supporting plant vitality.
-
House and Garden Amino Treatment: Amino-based additive supporting plant development.
-
House and Garden Multi Zen: Supplement designed to support nutrient utilization.
-
House and Garden Drip Clean: Helps manage mineral salt accumulation in irrigation systems.
-
House and Garden Bud-XL: Flowering-stage supplement.
-
House and Garden Top Booster: Concentrated flowering additive used during the recommended bloom period.
Always follow the manufacturer's feeding program when combining multiple nutrients and additives.
Storage Recommendations
Store sealed containers between 45°F and 85°F (7°C to 29°C), protected from direct sunlight and extreme temperatures.
Keep containers tightly closed when not in use and use the product within one year after opening.
According to House and Garden, Cocos A&B contains no added dyes, synthetic plant growth regulators (PGRs), or detectable heavy metals.
Frequently Asked Questions
What is House and Garden Cocos Nutrient B used for?
Cocos Nutrient B is the second component of a two-part base fertilizer designed for coco coir cultivation. It supplies essential nutrients that support vegetative growth, flowering, and overall plant development when combined with Cocos Nutrient A.
Can Cocos Nutrient B be used without Part A?
No. Parts A and B are designed to work together. Both components are necessary to provide balanced base nutrition and must be used in equal amounts.
Is House and Garden Cocos Nutrient B suitable for pure coco coir?
Yes. It is formulated for pure coco coir and growing media containing at least 30% coco.
How much Cocos Nutrient B should I use?
The manufacturer recommends approximately 0.5–3 mL per litre of each component, depending on plant development. Consult the House and Garden feeding chart for exact application rates.
What pH does Cocos A&B recommend?
House and Garden recommends maintaining a nutrient solution pH between 5.8 and 6.3 for coco cultivation.
Can I mix Cocos Nutrient A and B together before adding water?
No. The concentrates must never be mixed directly. Always dilute Part A in water first, mix thoroughly, and then add Part B.
Can Cocos Nutrient B be used during flowering?
Yes. The Cocos A&B nutrient system is designed for use throughout vegetative growth and flowering, with dosage adjustments according to the manufacturer's feeding schedule.
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