Grotek Blossom Blaster 130g
Best flowering supplement for growers seeking larger, more robust fruit yields.
Grotek Blossom Blaster is a potent flowering supplement engineered to significantly boost plant growth during the crucial blooming and fruiting stages. It delivers readily available phosphorus for robust root development and essential potassium to efficiently transport sugars from photosynthesis. This formula is versatile, working effectively across all growing mediums and integrating seamlessly with standard base nutrient programs. For optimal results, apply this supplement twice within the first three weeks of the flowering cycle. It is designed for soil drench application and should always be used as a fresh solution.
$77.39
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4425
#50 in Fertilizers
Price vs Category Average
+25%
Above average
Package Weight
130
/ g
Who it's for
- Commercial growers needing rapid, aggressive flowering transitions
- Budget-conscious gardeners seeking high-yield, long-lasting value
- Versatile cultivators switching between soil, coco, and hydroponic setups
Who should skip it
- Novice growers prone to over-fertilizing delicate plants
- Gardeners wanting a simple, all-in-one bloom phase solution
- Busy hobbyists looking to minimize daily reservoir maintenance
Performance breakdown
Bloom potency
High phosphorus concentration triggers aggressive flower site development.
Nutrient solubility
Fine powder dissolves rapidly without leaving stubborn residue in reservoirs.
System compatibility
Integrates smoothly into existing feeding schedules without causing nutrient lockout.
Application versatility
Performs reliably across soil, coco, and various hydroponic growing mediums.
Root support
Provides essential mineral support for structural integrity during heavy fruiting.
Ease of dosing
Requires careful measurement to avoid over-fertilization during the early bloom phase.
Key Specs
Package Weight
130 g
UPC
670829820112
Part Number
GTBB130G
Fertilizer Source
Mineral Based
Application Method
Soil Drench
Organic Certified
False
Season of Application
Spring, Summer
Water Soluble
True
Features
- Enhances root development
- Boosts blooming and fruiting
- Facilitates sugar movement
- Works in all mediums
- Compatible with base nutrients
- Quick release formula
- Water soluble powder
What customers say
Customers consistently praise Blossom Blaster for its remarkable effectiveness during the flowering phase. The primary sentiment revolves around reliability, noting that this potent formula delivers rapid and visible results, often exceeding expectations for bud development. Users appreciate the concentrated nature of the product, which translates directly into exceptional value for money. While precise dosing is necessary due to its strength, the consensus is that this booster is a highly worthwhile investment for maximizing yields.
Know before you buy
For the best results, apply this supplement twice during the first three weeks of your plant's flowering cycle. It is specifically designed to support the initial transition into blooming and fruiting.
Yes, Blossom Blaster is designed to integrate seamlessly with standard base nutrient programs. It acts as a targeted supplement rather than a replacement for your primary fertilizer.
Yes, this formula is versatile and works effectively across all growing mediums, including soil, coco coir, and hydroponics. Because it is a water-soluble powder, it dissolves easily for consistent application.
Blossom Blaster is intended for soil drench application. Always mix a fresh solution immediately before use to ensure the nutrients remain stable and effective for your plants.
No, Grotek Blossom Blaster is a mineral-based fertilizer and is not organic certified. It is formulated for quick release to provide immediate phosphorus and potassium to your plants.
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$77