Royal Gold Crown Jewels Grow
Best premium potting medium for dedicated indoor gardeners seeking consistent growth.
Designed to fuel the vegetative phase, this organic amendment strengthens soil health and promotes vigorous, structural development. It serves as a versatile, all-in-one solution that can be incorporated into growing media or brewed into teas for consistent, reliable plant nutrition.
$148.14
at
HydroBuilder
More Crown Jewels options
Who it's for
- Indoor gardeners seeking high-purity fertilizers for clean hydroponic setups
- Coco coir enthusiasts wanting a formula tailored to their specific medium
- Growers prioritizing rapid canopy development and healthy plant architecture
Who should skip it
- Budget-conscious hobbyists looking to minimize their total input costs
- Minimalist gardeners who prefer a single-bottle, all-in-one feeding solution
- Casual shoppers who prefer buying supplies at local big-box hardware stores
Performance breakdown
Vegetative Support
Formulated specifically to build strong, healthy plant architecture before flowering.
Application Versatility
Easily adapts to top-dressing, soil mixing, or brewing nutrient-rich teas.
Nutrient Balance
Well-rounded NPK ratio provides steady, reliable growth without nutrient burn.
Secondary Nutrient Profile
High calcium and magnesium levels ensure robust cellular development and health.
Organic Integrity
OMRI listing guarantees strict adherence to high-quality organic growing standards.
Ease of Handling
The 40-pound bag is substantial but requires dedicated storage space.
Key Specs
NPK Ratio
3-2-2
Nitrogen
3%
Phosphorus
2%
Potassium
2%
Calcium
8%
Magnesium
0.7%
Organic Certified
Yes
Package Weight
40 lbs
Application Method
Top dressing, soil incorporation, tea brewing
Know before you buy
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