Grotek Monster Bloom
Best bloom booster for growers aiming to maximize harvest yields.
Grotek Monster Bloom is expertly formulated to significantly enhance plant development during the critical middle stages of flower production, aiming to maximize your overall harvest. This potent formula features a high concentration of phosphorous, essential for robust blooming and vital plant metabolism. Potassium works to improve bloom and fruit quality while supporting photosynthesis and starch production for proper ripening. It is designed for versatile use in soil, soilless, and water culture systems, applied consistently throughout the flowering cycle until 1-2 weeks prior to harvesting.
$14.99
Owner Satisfaction
4.6
/ 5
Category Rank
1939
/ 4425
#1939 in Fertilizers
Price vs Category Average
-76%
Below average
Package Weight
500
/ g
Who it's for
- Versatile cultivators managing diverse hydroponic and soil-based systems
- Commercial growers seeking maximum flower density and harvest weight
- Budget-conscious gardeners needing long-lasting, high-value nutrient supplies
Who should skip it
- Novice gardeners prone to over-fertilizing sensitive plant varieties
- Busy growers preferring the convenience of pre-mixed liquid formulas
- Hands-off hobbyists wanting a low-maintenance, stable nutrient reservoir
Performance breakdown
Bloom density
High phosphorus content drives significant weight and density in floral sites.
System versatility
Water-soluble formula integrates seamlessly into hydroponic and soil-based irrigation systems.
Nutrient concentration
Potent mineral-based powder requires minimal product for maximum plant response.
Ease of application
Simple mixing ratio makes mid-cycle feeding schedules straightforward for any grower.
Ripening support
Potassium levels effectively boost starch production for improved final fruit quality.
Metabolic efficiency
Quick-release minerals provide immediate fuel for rapid mid-flower development cycles.
Key Specs
Package Weight
500 g
Part Number
GTMB6030
UPC
670829208408
Application Rate
6 g per 19 L of water (1 tsp / 5 gal)
Fertilizer Form
Water Soluble Powder
Fertilizer Source
Mineral Based
Release Type
Quick Release
Target Plant Type
Vegetables, Flowers
Features
- Assists plants during mid-flower development
- High phosphorous for blooming
- Potassium improves bloom quality
- Facilitates starch production
- Supports ripening process
- Suitable for soil, soilless, and water culture
- Enhances overall harvest yield
What customers say
Grotek Monster Bloom earns high praise for its powerful effectiveness during the crucial flowering stage. Users consistently report reliable results, achieving noticeably denser and larger blooms across different growing environments. A major highlight is the exceptional value derived from the highly concentrated formula. Cultivators appreciate that only a small application is needed, establishing this product as a cost effective staple in advanced feeding schedules. This blend of strong performance and efficiency secures its trusted position among dedicated growers.
Know before you buy
You should begin applying Monster Bloom as soon as your plants start forming buds. Continue using it with every fertilizer application throughout the blooming cycle, stopping 1-2 weeks before your final harvest.
Yes, Monster Bloom is a water-soluble powder designed for versatility. It is fully compatible with soil, soilless, and water culture or hydroponic systems.
The standard application rate is 6 grams of powder per 19 liters of water, which is equivalent to approximately 1 teaspoon per 5 gallons.
The high concentration of phosphorous is essential for supporting robust blooming and maintaining vital plant metabolism during the critical middle stages of flower development.
Yes, the potassium in the formula supports photosynthesis and starch production, which helps improve fruit quality and ensures proper ripening before harvest.
No, Monster Bloom is a mineral-based, quick-release fertilizer formulated for rapid nutrient uptake.
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