Humboldt Nutrients Master-B
Best two-part base nutrient for growers seeking maximized bloom yields.
This two-part system strips away the guesswork of plant nutrition by prioritizing high-quality, bioavailable minerals that plants actually absorb. You sacrifice the simplicity of a single-bottle solution, but you gain a level of yield consistency and professional-grade control that standard fertilizers simply cannot match.
$25.81
at
Humboldtnutrients
Who it's for
- Gardeners managing plants through heat waves or transplanting
- Growers seeking faster growth and improved plant vitality
- Cultivators wanting a simple addition to existing nutrient programs
Who should skip it
- Indoor gardeners with limited climate-controlled storage space
- Budget-conscious growers maintaining already thriving, healthy gardens
- Hobbyists looking to minimize recurring monthly fertilizer costs
Performance breakdown
Nutrient Bioavailability
Advanced formulation ensures rapid uptake of essential macro and micro nutrients.
Yield Potential
Designed to push plant productivity to its maximum genetic capacity.
Ease of Application
Simple 1:1 mixing ratio makes complex feeding schedules feel effortless.
Medium Versatility
Performs consistently across soil, coco, and hydroponic growing environments.
Ingredient Purity
High-quality synthetic inputs minimize risk of toxic buildup or contamination.
Bloom Support
Optimized NPK ratio drives robust flower development and structural integrity.
Key Specs
NPK Ratio
1-5-6
Package Size
1 Gallon
Formulation
Liquid Concentrate
Fertilizer Source
Synthetic
Nitrogen Percentage
1.0%
Phosphorus Percentage
5.0%
Potassium Percentage
6.0%
Application Method
Drench
Release Type
Fast Release
Season of Use
All Season
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