General Hydroponics KoolBloom
Best bloom booster for gardeners seeking larger, more flavorful harvests.
This liquid concentrate is the secret weapon for pushing plants into a heavy, high-yield flowering phase. It excels at jumpstarting reproductive growth with essential nutrients, though you will need to switch to a dry formula later if you want to push your harvest to its absolute peak.
$15.26
at
Greenhouse Megastore
Who it's for
- Cultivators using diverse hydroponic or soil-based systems
- Gardeners seeking larger, denser flower yields
- Growers prioritizing aromatic quality and resin production
Who should skip it
- Beginners intimidated by frequent pH testing and adjustments
- Budget-conscious growers avoiding specialized, short-term additives
- Novice gardeners prone to over-fertilizing their plants
Performance breakdown
Bloom Stimulation
High phosphorus and potassium levels trigger aggressive reproductive growth cycles.
Ease of Integration
Liquid concentrate formula blends seamlessly into existing nutrient feeding schedules.
Flavor Enhancement
Specialized acids and vitamins actively boost essential oil production for better harvests.
Nutrient Bioavailability
Mineral-based, water-soluble composition ensures rapid uptake by plant root systems.
Stress Resilience
Added vitamins help plants maintain vigor during critical flowering transitions.
Yield Potential
Consistently produces heavier, denser fruits and flowers across diverse plant varieties.
Key Specs
Form
Liquid
Volume
1 Gallon
Type
Flower Hardener
Application
Flowering stage
Compatibility
Soil and Hydroponics
NPK Ratio
0-10-10
Water Soluble
Yes
Organic Certified
No
Country of Origin
United States
Solubility
High
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