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Item #:
21589078
MasterBlend 4-18-38 Fertilizer Combo Kit (12.5 Pounds)
Item #:
21589078
JMD 9617
Price Details
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Imported from USA store
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Order now and get it around Saturday, August 22
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The MasterBlend 4-18-38 Fertilizer Combo Kit contains all 3 concentrated dry powdered and water-soluble components needed for the recommended recipe in the proper amounts, offering the convenience of one-stop shopping without compromising on effectiveness.
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What Stands Out
Nutrient-Rich Formula
The MasterBlend 4-18-38 Fertilizer Combo Kit provides a balanced nutrient blend, promoting vigorous growth and optimal yield for various plants, addressing common deficiencies found in standard fertilizers.
Ease of Use
This combo kit simplifies fertilization with pre-measured portions, making it user-friendly for both beginners and experienced gardeners, ensuring precise application without the hassle of mixing complexities.
Versatile Application
Ideal for hydroponic systems, container gardens, or outdoor planting, this fertilizer adapts to diverse gardening needs, offering versatility that stands out against competitors, ensuring healthy plants in any environment.
Product Details
| Npk ratio | 4-18-38 |
| Fertilizer type | Synthetic |
| Form | Crystals |
| Rec. use | Plant |
| Brand | PowerGrow Systems |
| Rec location | Outdoor |
| Plant category | Vegetables |
| Plant name | Tomato|Vegetable |
| Features | Breathable |
| Product line | MasterBlend |
| Size | 12.5 lbs |
| Net content statement | 12.5 lb |
| Weight | 12.5 lbs (5.67 kg) |
| Product net content parent | 12.5 Pound |
| Product net content uom | Pound |
| Manufacturer | PowerGrow Systems |
Who Should Buy?
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Container Gardeners
Ideal for gardeners using containers who need a reliable fertilizer for growth and nutrient balance.
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Hydroponic Systems
Perfect for hydroponic setups, providing essential nutrients to promote healthy plant development.
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Vegetable Growers
Great for those growing vegetables, ensuring plants receive necessary nutrients for optimal yields.
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Flower-Focused Gardens
Not suitable for flower gardens needing a higher ratio of phosphorus for blooming.
Product Description
MasterBlend 4-18-38 Fertilizer Combo Kit (12.5 Pounds)
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Customer Questions & Answers
-
Question:
Can I mix the components in this kit together?
Answer: No, each component should be mixed into the water individually as per the recommended recipe to avoid nutrient lockout. -
Question:
How much nutrient solution does this kit yield?
Answer: This kit contains components in amounts suitable for 5 gallons of nutrient solution, based on the classic MasterBlend recipe. -
Question:
Is the MasterBlend fertilizer suitable for all types of plants?
Answer: MasterBlend is a widely used fertilizer that has shown to benefit plant growth across various plant types, making it versatile for many plant varieties.
PowerGrow Systems Garden Chemicals & Treatments Editorial Review
The MasterBlend 4-18-38 Fertilizer Combo Kit has received overwhelmingly positive reviews from customers. Users have praised its effectiveness for a variety of plants, particularly tomatoes and peppers, in both hydroponic systems and soil. The fertilizer is noted for providing a full range of nutrients and being customizable for different needs. Customers have also highlighted the affordability of the product, with many mentioning that a single kit can last for years. Overall, reviewers have found the fertilizer easy to use and have reported impressive growth results in their gardens. **
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Pros
- Effective for a variety of plants, especially tomatoes and peppers
- Can be used in both hydroponic systems and soil
- Affordable price point
- Customizable for different plant needs
- Long-lasting, with a single kit lasting for years
Cons
- No negative feedback provided in the reviews
Platform Trust & Buyer Confidence
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Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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23-Jul-26 · via Trustpilot
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22 July 2026 · via Trustpilot
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Important information
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JMD 9617
Order now and get it around Saturday, August 22
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Features & Benefits
- Convenient all-in-one kit for the MasterBlend fertilizer recipe
- Includes MasterBlend 4-18-38, Calcium Nitrate 15.5-0-0, Epsom Salt
- Components packed in correct amounts for 5 gallons of nutrient solution
- 100% Water Soluble for easy plant uptake
- Available in 2.5, 12.5, and 25-pound kits for various usage needs
- Used by professionals worldwide for optimum plant growth
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