Plant-Prod MJ Boost 15-30-15 fertilizer
Best high-phosphorus fertilizer for maximizing cannabis and hemp flowering yields.
Elevate your cannabis and hemp cultivation with Plant-Prod MJ Boost 15-30-15 fertilizer. This high phosphorus formula is expertly designed to promote vigorous bud development and enhance sizing during flowering stages. Its highly soluble nature ensures easy application, while the low salt index and absence of sulfates and chlorides protect young transplants. Packed with essential chelated micronutrients, this fertilizer provides a safe and effective boost for robust growth and impressive yields. Ideal for vegetable gardens, it supports plants from root establishment through bud formation.
$75.57
Owner Satisfaction
4.6
/ 5
Category Rank
1939
/ 4425
#1939 in Fertilizers
Price vs Category Average
+22%
Above average
Guaranteed Minimum Analysis N-P-K
153015
/ --
Who it's for
- Commercial growers aiming for maximum bud density and yield
- Facility managers requiring reliable, clog-free irrigation performance
- Serious cultivators seeking balanced nutrition for heavy flowering stages
Who should skip it
- Budget-conscious growers wanting a single, all-in-one feeding solution
- Beginners looking for a simple, all-purpose vegetative fertilizer
- Casual hobbyists lacking tools for precise pH and nutrient monitoring
Performance breakdown
Bud development potential
High phosphorus ratio drives significant flower density and size.
Solubility efficiency
Dissolves rapidly for seamless integration into irrigation or feeding systems.
Nutrient safety profile
Low salt index minimizes risk of burn for sensitive young transplants.
Micronutrient availability
Chelated iron ensures essential minerals remain accessible to plant roots.
Application versatility
Effective for cannabis, hemp, and general vegetable garden flowering stages.
Formula purity
Clean composition free of dyes, sulfates, and chlorides for safer feeding.
Key Specs
Guaranteed Minimum Analysis N-P-K
15-30-15
Total Nitrogen (N)
15%
Available Phosphate (P2O5)
30%
Soluble Potash (K2O)
15%
Chelated Iron (Fe)
0.100%
Chelating Agent
EDTA (1.26%)
Package Weight
25 lb.
Model Number
12278
Features
- Boosts bud sizing and formation
- Highly soluble for easy application
- Safe for young transplants
- Contains essential micronutrients
- No dye added
- Supports vigorous bud setting
- Ideal for cannabis and hemp
What customers say
Customers consistently praise the exceptional quality and efficacy of Plant Prod MJ Boost. Reviewers frequently highlight its powerful impact during the flowering stage, noting significantly denser yields and robust plant health. The formulation is highly soluble, making mixing and application remarkably easy, which saves time and ensures consistent nutrient delivery. This specialized fertilizer is viewed as a reliable, professional grade tool that delivers tangible results, justifying the investment for serious growers.
Know before you buy
This fertilizer is specifically formulated for the flowering stage. You should introduce it once your plants begin to transition into bud formation to take advantage of the high phosphorus content.
Yes. Because it has a low salt index and is free from sulfates and chlorides, it is gentle enough to use on young transplants without risking root burn.
Absolutely. While it is optimized for cannabis and hemp, its 15-30-15 NPK ratio makes it an excellent choice for any vegetable garden that requires a phosphorus boost to support root establishment and fruit development.
No, this formula is produced without any added dyes, ensuring you are applying only the essential nutrients your plants need.
This is a water-soluble powder, so you should dissolve the recommended amount into your irrigation water. Its high solubility ensures it mixes easily and is readily available for plant uptake.
The high middle number (30) indicates a significant concentration of phosphorus, which is the primary nutrient responsible for stimulating bud development, flower sizing, and overall bloom density.
Still have a question?
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