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Item #:
20336463
MasterBlend 4-18-38 Fertilizer Combo Kit (5 Pounds)
88% of respondents would recommend this to a friend
Item #:
20336463
PYG 467913
Price Details
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*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Friday, October 16
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The MasterBlend Combo 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
Optimal Nutrient Ratio
The 4-18-38 NPK ratio delivers precise nutrient balance for optimal plant growth, ensuring lush foliage and vibrant blooms, surpassing traditional fertilizers.
Enhanced Performance
Specially formulated for high-performing plants, this kit addresses common nutrient deficiencies, leading to healthier crops and increased yield, making it perfect for serious gardeners.
Convenient Packaging
The 5-pound package is easy to handle and measure, providing flexibility for various gardening needs, ensuring that both novice and experienced gardeners can apply without hassle.
Product Details
- Includes all 3 dry powdered and water-soluble components for the MasterBlend fertilizer recipe
- Kit quantities provide better value in a one-stop kit, saving on separate shipping and hassle
- Classic MasterBlend recipe proportions: 12g MasterBlend, 12g Calcium Nitrate, 6g Epsom Salt for 5 gallons
- Available in 2.5, 5, 12.5, and 25-pound kits with corresponding component quantities
- Used by professionals worldwide for optimum plant growth, 100% water soluble for easy uptake
- Components include MasterBlend 4-18-38, Calcium Nitrate 15.5-0-0, and Epsom Salt (Magnesium Sulfate)
| Package Weight | 25 Pound |
Who Should Buy?
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Container Gardeners
Ideal for those growing plants in containers, providing essential nutrients for optimal growth and blooming.
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Hydroponic Users
Perfect for hydroponic systems needing balanced nutrition, enhancing plant development and yield throughout growth cycles.
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Floral Enthusiasts
Great for gardeners focused on flowering plants, delivering the right nutrients for vibrant and healthy flowers.
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Vegetable Growers
May not be suitable for all vegetables, which might require different nutrient ratios for optimal growth.
Product Description
MasterBlend 4-18-38 Fertilizer Combo Kit (5 Pounds)
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Customer Questions & Answers
-
Question:
What does the kit contain?
Answer: The kit contains MasterBlend 4-18-38, Calcium Nitrate 15.5-0-0, and Epsom Salt (Magnesium Sulfate) -
Question:
Is the fertilizer water-soluble?
Answer: Yes, it is 100% water-soluble for easy plant uptake -
Question:
What sizes are available?
Answer: The kit is available in 2.5 pound, 5 pound, 12.5 pound, and 25 pound sizes
Masterblend International Garden Chemicals & Treatments Editorial Review
MasterBlend 4-18-38 Fertilizer Combo Kit (5 Pounds) is specially formulated with an NPK ratio of 4-18-38, making it ideal for enhancing vegetable growth, particularly tomatoes. This synthetic fertilizer comes in various forms, including crystals, granules, and pellets, allowing versatile application for both indoor and outdoor gardening. Users have reported great results from this product, with many expressing excitement about their upcoming gardening activities. Furthermore, the kit is particularly praised for suitability in small hydroponic gardening setups, ensuring that home gardeners achieve optimal plant nutrition.
Customer Reviews & Ratings
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Pros
- NPK ratio tailored for vegetable growth
- Versatile forms: crystals, granules, pellets
- Ideal for indoor and outdoor use
- Great for hydroponic gardening
- Well-reviewed by users for quality
Cons
- Requires time to see results during use
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“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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PYG 467913
Order now and get it around Friday, October 16
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.)
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Fastest cross-border delivery
Features & Benefits
- All-in-one kit for the ultimate MasterBlend fertilizer recipe
- Save time and money by getting all components in one place
- Used by professionals worldwide for optimum plant growth
- Convenient and easy to use
- Available in various sizes to suit your needs
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