Grow More Water Soluble 0-50-30
Best bloom booster for gardeners in cool or low-light climates.
Boost your plants' vitality with Grow More Flower Hardener 0-50-30. This highly soluble, inorganic-based powder is specifically formulated to deliver essential phosphorus and potassium, promoting robust growth and vibrant flower development. Ideal for cooler climates, low-light conditions, or spring applications, it enhances plant vigor and supports high yields. Easily applied to both soil and soilless mediums, this fertilizer ensures efficient nutrient uptake for healthier, more abundant blooms. It's a reliable choice for gardeners seeking to maximize their plant's potential.
$71.94
Owner Satisfaction
4.6
/ 5
Category Rank
1939
/ 4425
#1939 in Fertilizers
Price vs Category Average
+17%
Above average
Brand
Grow More
/ Grow More
Who it's for
- Gardeners aiming for heavy blooms and bountiful fruit harvests
- Growers needing an immediate nutrient boost for stressed plants
- Hydroponic and soil farmers seeking versatile feeding options
Who should skip it
- Beginners looking for an all-in-one vegetative growth fertilizer
- Casual gardeners who prefer simple, low-risk feeding routines
- Houseplant owners wanting a single, year-round maintenance feed
Performance breakdown
Nutrient Concentration
High-potency phosphorus and potassium blend drives aggressive bloom production.
Solubility Efficiency
Dissolves rapidly for seamless integration into irrigation and fertigation systems.
Versatility
Adapts perfectly to both traditional soil and modern hydroponic mediums.
Environmental Adaptability
Engineered to maintain plant vigor during low-light or cool-weather cycles.
Application Precision
Requires careful measurement to avoid nutrient burn in sensitive plant varieties.
Yield Potential
Specifically formulated to maximize flower density and overall harvest volume.
Key Specs
Brand
Grow More
SKU
GR35088
Weight
25 lb
N-P-K Ratio
0-50-30
Nitrogen
0%
Phosphorus
50%
Potassium
30%
Form
Water Soluble Powder
Features
- Promotes vigorous growth and flower development
- Highly soluble for easy application
- Ideal for cool or dark conditions
- Supports high yields
- Suitable for soil and soilless mixes
- Provides essential phosphorus and potassium
- Inorganic-based nutrient formula
- Designed for spring applications
What customers say
Users consistently praise the exceptional effectiveness of this formula, noting rapid improvements in bloom set and overall plant vigor. The primary theme is reliability; consumers trust this product to deliver high phosphorus and potassium precisely when needed for fruiting and flowering stages. Its outstanding water solubility simplifies application, ensuring quick nutrient absorption without equipment clogging. This specialized nutrient offers significant value, particularly for targeting specific, crucial growth phases. Customers appreciate the dependable results and ease of use.
Know before you buy
This formula is designed specifically to boost phosphorus and potassium levels, which are essential for flower development and overall plant vigor. Because it contains no nitrogen, it focuses energy on bloom production rather than vegetative growth.
Yes, this product is highly water-soluble and suitable for both soil and soilless mediums, making it an effective choice for hydroponic systems or coco coir mixes.
In cooler or darker environments, plants often struggle to uptake nutrients efficiently. The high concentration of phosphorus and potassium helps maintain plant health and supports flower development even when environmental conditions are less than ideal.
No, this is an inorganic, mineral-based fertilizer. It is not OMRI certified.
This formula is specifically designed for spring applications to help jumpstart flower development. It is best used when you want to maximize bloom potential and yield as the growing season progresses.
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