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Item #:
20301560
MasterBlend 4-18-38 Fertilizer Combo Kit (25 Pounds)
88% of respondents would recommend this to a friend
Item #:
20301560
CRC 58826
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Tuesday, September 29
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The MasterBlend MASTER KIT, contains all 3 concentrated dry powdered and water soluble components needed for the recommended recipe in the proper amounts
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What Stands Out
Balanced Nutrients
This fertilizer kit provides a well-rounded nutrient profile with a perfect balance of nitrogen, phosphorus, and potassium, promoting healthy plant growth and maximizing yields.
Convenient Size
The 25-pound size is ideal for home gardeners and small farms, ensuring you have enough product to nourish your plants without overwhelming storage needs.
Versatile Use
Designed for various plants and garden types, this fertilizer is suitable for vegetables, flowers, and fruit trees, making it a versatile solution for any green thumb.
Product Details
- Complete kit with MasterBlend 4-18-38, Calcium Nitrate, and Epsom Salt
- Components packed in correct amounts for the recommended recipe
- Used by professionals worldwide for optimum plant growth
- 100% Water Soluble for easy plant uptake
- Available in 2.5, 12.5, and 25 Pound Kits
- Eliminates the need to source and mix individual components
| Npk ratio | 4-18-38 |
| Fertilizer type | Synthetic |
| Form | Crystals, Granules, Pellets |
| Rec. use | Plant |
| Brand | Masterblend International |
| Rec location | Indoor, Outdoor |
| Plant category | Vegetables |
| Plant name | Tomato, Vegetable |
| Size | 25 lbs |
| Weight | 25 lb (11.34 kg) |
| Product net content uom | Pound |
| Pack quantity | 1 |
Who Should Buy?
-
Vegetable Gardeners
Ideal for vegetable gardens requiring specific nutrient ratios for optimal growth and yield throughout growing seasons.
-
Hydroponic Farmers
Designed for hydroponic systems needing specific nutrient formulations to support plant health and productivity effectively.
-
Container Growers
Perfect for container gardening, providing essential nutrients in a balanced formula for vibrant plant growth.
-
New Gardeners
May be overwhelming for those unfamiliar with specific fertilizer applications or nutrient needs in gardening.
Product Description
MasterBlend 4-18-38 Fertilizer Combo Kit (25 Pounds)
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Customer Questions & Answers
-
Question:
Can I buy the components individually?
Answer: Yes, you can buy them individually but the kit offers convenience and better value. -
Question:
Can I use this fertilizer for any type of plant?
Answer: Yes, it is suitable for all plants that require a 4-18-38 fertilizer mix. -
Question:
Can I mix the components in a different ratio?
Answer: It is recommended to follow the 1/1/0.5 ratio for optimal results.
Masterblend International Garden Chemicals & Treatments Editorial Review
The MasterBlend 4-18-38 Fertilizer Combo Kit seems to be a popular choice among hydroponic gardeners. Customers report that it is easy to use and dissolves easily, resulting in thriving plants. The product appears to arrive promptly and as advertised. Overall, the MasterBlend 4-18-38 Fertilizer Combo Kit is well-reviewed by customers for hydroponic gardening.
Customer Reviews & Ratings
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Pros
- Easy to use
- Dissolves easily
- Thrives plants
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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CRC 58826
Order now and get it around Tuesday, September 29
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Fastest cross-border delivery
Features & Benefits
- Contains all 3 components needed for the recommended fertilizer recipe
- Used by professionals worldwide
- 100% Water Soluble for easy plant uptake
- Packed in a 1/1/0.5 ratio based off the MasterBlend recipe
- Available in 2.5, 12.5, and 25 pound kits
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