Hydrofarm Soul LBS
Best bloom booster for growers seeking larger yields and healthier flowers.
This is the heavy-hitting bloom booster you add when you want to push your plants to their absolute limit. By pairing rapid-release phosphorus and potassium with a sugar-based energy kick, it forces massive yields, though you’ll need to be diligent about managing your base nutrient program to keep everything in balance.
$146.91
at
Hydrofarm
Who it's for
- Commercial growers seeking maximum flower density and yield
- Versatile gardeners using diverse growing media
- Serious hobbyists demanding precise nutrient balance for blooms
Who should skip it
- Budget-conscious growers preferring standard, affordable fertilizers
- Beginners intimidated by strict measurement and feeding schedules
- Gardeners lacking climate-controlled storage for sensitive liquids
Performance breakdown
Bloom Potency
High phosphorus and potassium levels drive aggressive flower development.
Nutrient Solubility
Quick-release formula ensures rapid uptake for immediate plant response.
Root Zone Support
Bacillus subtilis integration actively promotes a healthy, resilient rhizosphere.
System Versatility
Performs consistently across both traditional soil and hydroponic setups.
Energy Supplementation
Added sucrose provides essential carbohydrates for denser, more aromatic blooms.
Application Ease
Granular form dissolves cleanly for seamless integration into existing feeding schedules.
Key Specs
NPK Ratio
0.5 - 40 - 30
Derived from
Potassium Nitrate, Monopotassium Phosphate, Potassium Sulfate, Copper Sulfate, Zinc Sulfate, Bacillus Subtilis, Sucrose
Package Weight
9 lb
Fertilizer Form
Granular
UPC-A
609728633059
Nitrogen Percent
0.5%
Phosphorus Percent
40.0%
Potassium Percent
30.0%
Container Weight
9.0 pounds
Water Soluble
true
Know before you buy
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Ask Metto anything about the Hydrofarm Soul LBS before you decide.