General Hydroponics
Sunlight Supply General Hydroponics MaxiGro — 10-5-14 Formula, 16-Lb. Tub
Best bloom booster for maximizing harvest size and floral fragrance.
General Hydroponics KoolBloom Dry is a potent bloom booster designed for the final stages of flowering. This formula encourages abundant flowering, facilitates ripening in annuals, and boosts the production of essential oils and fragrances. It is precisely formulated to enhance the performance of all nutrient systems, leading to increased size and weight of fruits and flowers. Dry KoolBloom is rich in phosphorus and potassium, fortified with proprietary ingredients that help swell fruits and exponentially increase floral fragrance. It is used in the second phase of reproductive growth, complementing Liquid KoolBloom for optimal results.
$147.95
Owner Satisfaction
4.6
/ 5
Category Rank
1927
/ 4352
#1927 in Fertilizers
Price vs Category Average
+140%
Above average
NPK Ratio
24528
/ --
Who it's for
- Budget-conscious gardeners seeking high-yield nutrient value
- Versatile growers managing both hydroponic and soil setups
Who should skip it
- Gardeners wanting a single-product solution for the entire cycle
- Beginners intimidated by frequent reservoir pH testing
- Growers preferring the convenience of pre-mixed liquid fertilizers
Performance breakdown
Bloom density
High phosphorus levels drive significant weight and density in floral structures.
Ripening efficiency
Accelerates the final maturation phase for consistent, high-quality harvest results.
Aromatic potency
Proprietary additives noticeably amplify essential oil production and floral fragrance.
System compatibility
Integrates seamlessly into existing nutrient regimens without disrupting chemical balance.
Solubility
Dry formula dissolves reliably for clean application in most irrigation systems.
Concentration value
Potent dry powder offers exceptional coverage for large-scale flowering cycles.
Key Specs
NPK Ratio
2-45-28
Weight
2.2 lbs
UPC
793094013161
Hawthorne SKU
HGC732531
Features
- Encourages abundant flowering
- Facilitates ripening in annuals
- Boosts production of essential oils and fragrances
- Increases size and weight of fruits and flowers
- Enhances potency and performance of nutrient systems
- Promotes fruit swelling and floral fragrance
- Designed for the final stages of flowering
What customers say
Customers consistently praise General Hydroponics MaxiGro for its remarkable effectiveness in promoting vigorous plant growth, particularly during the vegetative stage. Many users highlight the noticeable difference in plant health and yield, attributing successful harvests to this reliable formula. Beyond its performance, the product is frequently lauded for its excellent value, offering a substantial quantity of high quality nutrients at a competitive price point. This combination of proven results and affordability makes it a highly regarded choice among growers seeking consistent, robust plant development without breaking the bank.
Know before you buy
Dry KoolBloom is specifically designed for the final stages of flowering. You should introduce it during the second phase of reproductive growth to help facilitate ripening and maximize fruit development.
Yes, it is formulated to enhance the performance of all standard nutrient systems. It works best as a supplement to your base nutrients rather than a replacement.
Liquid KoolBloom is typically used earlier in the flowering phase to initiate blooming, while the dry formula is a more concentrated booster used later to swell fruits and increase essential oil production.
Yes, the high phosphorus and potassium content, combined with proprietary ingredients, is specifically engineered to boost the production of essential oils, which directly enhances floral fragrance and overall potency.
It is highly effective for annuals and flowering plants. Because it is designed to increase the size and weight of fruits and flowers, it is ideal for any crop where yield quality and density are the primary goals.
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