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🍅 Grow like a pro — unlock your garden’s full potential with MasterBlend!
MasterBlend 4-18-38 Tomato & Vegetable Fertilizer is a premium, water-soluble nutrient blend designed specifically for hydroponic and soil-grown tomatoes and vegetables. Its super concentrated formula delivers an optimized balance of nitrogen, phosphorus, and potassium (4-18-38) along with essential trace minerals, ensuring vigorous growth, enhanced fruiting, and rich foliage. Available in multiple bulk sizes, it’s the go-to choice for both commercial and passionate home gardeners seeking reliable, high-performance fertilization.
| ASIN | B071HB13XR |
| Best Sellers Rank | #44,337 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,084 in Garden Fertilizers |
| Brand | MasterBlend |
| Brand Name | MasterBlend |
| Coverage | Medium |
| Customer Reviews | 4.6 out of 5 stars 473 Reviews |
| Item Form | Powder |
| Item Weight | 16 ounces |
| Manufacturer | MasterBlend |
| Mixing Ratio | 12:6:12 |
| Model Number | MASTERBLEND 4-18-38 (1 POUND) |
| Number of Items | 1 |
| Number of Packs | 3 |
| Part Number | MASTERBLEND 4-18-38 (1 POUND) |
| Specific Uses For Product | Hydroponic |
| Target Species | tomatoes and vegetables |
| UPC | 600150826019 |
| Unit Count | 16 Ounce |
D**N
Works great for tomatoes and roses
This works well for roses and tomatoes, make them bloom and set more fruits than leaves. I love the trace elements which help leaves to be dark green, and more blooms with its high potassium.
L**.
Excellent nutrients for Kratky method hydroponics
I use this blend with my small scale Kratky hydroponics system. It's very effective at supporting plant growth. Easy to mix in a five gallon bucket, it lasts a long time. I grow mostly lettuces and tiny tomatoes and this nutrient solution under a grow light and this assures we have fresh salads all winter long in Ohio. I've noticed a lot of Kratky method growers use this brand, and I can see why.
D**A
Excellent!
I've been using this for the peppers in my hydroponics system. It's easy to mix and the peppers love it!
E**.
Keeps vegetables green and healthy
Awesome value for money! The light green powder mixes well and easy to use. It lasted me over a year and its super effective for lush and hefty vegetables!
C**I
Garden Goodness
Masterblend helped my garden grow and produce a beautiful crop. Will use again.
D**H
Works great but pricey
I think it was a bit pricey but it does dissolve completely and would work great for hydroponic gardening. I had some questions about mix concentrations and the person I talked to on the phone was very helpful
M**S
MasterBlend 4-18-38
Es un excelente compuesto de abono que ha mejorado el desarrollo de la planta, tanto en floración como en sus frutos (hortalizas); lo mejor de todo es la cantidad de micronutrientes que son necesarios e indispensable para el desarrollo de las plantas, principalmente usados para la cocina.
4**L
Somewhat good for Hydroponic greens, but something is missing.
For better growth I noticed I had to keep increasing combined solution amount (Masterblend, Epsom Salts and Calcium, mixture A and B). I'm trying on greens, with some success. They grow very slowly and not as vigorous as planted on soil, though being pest free is an advantage. PH level was perfect though leaves of greens got smaller than expected. I guess the mixture needs to be stronger or something else is missing.
Trustpilot
3 days ago
3 weeks ago