- Home Page /
- Patio & Garden /
- Garden Center /
- Lawn Care /
- Garden Chemicals & Treatments /
- MasterBlend 4-18-38 Fertilizer Combo Kit (2.5...
0 ratings
Item #:
21399273
MasterBlend 4-18-38 Fertilizer Combo Kit (2.5 Pounds)
Item #:
21399273
GBP 36
Price Details
Price
GBP 36
Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Only 12 items left in stock.
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Friday, July 17
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
The MasterBlend MASTER KIT, contains all 3 concentrated dry powdered and water soluble components needed for the recommended recipe
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
Product Details
- Includes all 3 concentrated dry powdered and water-soluble components for the MasterBlend fertilizer recipe
- Components are packed in correct amounts to avoid separate shipping and hassle of finding individual items
- Components should be mixed into water individually for the classic MasterBlend recipe
- Used by professionals worldwide for optimal plant growth
- 100% water-soluble for easy plant uptake
- Available in 2.5-pound, 12.5-pound, and 25-pound kit options
| 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 |
| Product line | MasterBlend |
| Size | 2.5 lbs |
| Weight | 2.5 lbs (1.13 kg) |
| Product net content uom | Pound |
| Manufacturer | MasterBlend |
| Piece count | 3 |
| Package Weight | 3 Pound |
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Are the components pre-mixed in the kit?
Answer: No, the components are not pre-mixed in the kit. Mixing them individually in the recommended ratio ensures proper nutrient uptake and prevents nutrient lockout. -
Question:
Can I use this fertilizer for all types of plants?
Answer: Yes, the MasterBlend fertilizer is suitable for use on all types of plants. -
Question:
What is the advantage of buying the Master Kit?
Answer: The Master Kit provides a convenient one-stop solution, saving you the hassle of searching for and purchasing the individual components separately.
Masterblend International Garden Chemicals & Treatments Editorial Review
No editorial reviews found
Customer Reviews & Ratings
49 customers ratings
-
5 Star
79%
-
4 Star
8%
-
3 Star
2%
-
2 Star
2%
-
1 Star
8%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
GBP 36
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Friday, July 17
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:
Only 12 items left in stock.
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- The MasterBlend MASTER KIT contains all 3 necessary components for the recommended fertilizer recipe
- Used by professionals worldwide for optimum plant growth
- 100% water soluble for easy plant uptake
- Available in different quantities – 2.5 Pound Kit, 12.5 Pound Kit, and 25 Pound Kit
- Packed by weight in a correct ratio to ensure accuracy in mixing
- Eliminates the hassle of finding and buying individual components separately