Harvest Cali Pro Bloom A
Best two-part nutrient for indoor growers seeking robust flowering yields.
Emerald Harvest Cali Pro Bloom B is a vital component of a two-part nutrient system designed to maximize the potential of high-yield, indoor-grown plants during their flowering stage. This nitrogen-rich formula promotes strong stalk and stem development, essential for a robust harvest. It delivers key trace elements like chelated iron, cobalt, manganese, and zinc, ensuring comprehensive plant nutrition beyond the primary NPK ratio of 1-4-6. This liquid concentrate is formulated to work seamlessly with Cali Pro Bloom A for optimal results.
$12.90
Owner Satisfaction
4.5
/ 5
Category Rank
3091
/ 4425
#3091 in Fertilizers
Price vs Category Average
-79%
Below average
NPK Ratio
146
/ --
Who it's for
- Efficiency-minded cultivators wanting to minimize reservoir maintenance
- Busy growers seeking a streamlined, hassle-free feeding schedule
- Indoor gardeners focused on preventing common calcium-related deficiencies
Who should skip it
- Beginners intimidated by precise, step-by-step mixing requirements
- Budget-conscious shoppers looking for a single-bottle nutrient solution
- Minimalist growers avoiding a complex, multi-product feeding regimen
Performance breakdown
Flowering Potency
The 1-4-6 NPK ratio drives impressive bud density and flower development.
Micronutrient Profile
Chelated trace elements ensure plants absorb vital minerals without lockout issues.
Structural Support
Formula specifically reinforces stalks to carry heavy, high-yield harvests.
System Synergy
Designed for seamless integration with Part A for balanced nutrient delivery.
Concentration Efficiency
Highly concentrated liquid formula provides excellent value for professional-grade results.
Ease of Mixing
Liquid consistency blends quickly into water for consistent nutrient solution preparation.
Key Specs
NPK Ratio
1-4-6
Package Size
Quart (0.95 Liter)
Form
Liquid Concentrate (Part B)
Micronutrients Included
Chelated iron, cobalt, manganese, and zinc
SKU
723918
Fertilizer Source
Synthetic
Nitrogen Percentage
1.0%
Phosphorus Percentage
4.0%
Features
- Supports vigorous flowering and fruiting
- Enhances stalk and stem strength
- Provides essential chelated micronutrients
- Economical liquid concentrate formula
- Designed for high-yield crops
- Part B of a two-part system
What customers say
Cali Pro Bloom A earns consistent praise for its exceptional effectiveness in promoting superior flower development and yield. Growers value the reliable, concentrated formula because it significantly simplifies nutrient management. This product delivers professional grade results without demanding complex adjustments, making it a favorite for cultivators of all experience levels. The core appeal lies in this powerful combination: superior quality performance paired with straightforward application, building strong consumer trust.
Know before you buy
Yes, Cali Pro Bloom B is specifically formulated as the second half of a two-part nutrient system. You must use it alongside Cali Pro Bloom A to provide the complete profile of nutrients your plants require during the flowering stage.
This formula includes chelated iron, cobalt, manganese, and zinc to prevent nutrient deficiencies that can stunt growth. These trace elements support vital plant functions, ensuring your crops have the necessary resources to develop strong stems and high-quality flowers.
No, Cali Pro Bloom B is a synthetic, quick-release fertilizer. It is designed for high-yield indoor growing where precise nutrient control and rapid uptake are the priorities.
While it is optimized for high-yield indoor plants, it is also suitable for a variety of vegetables, flowers, and houseplants. Just ensure you follow the feeding schedule appropriate for your specific plant type.
The 1-4-6 ratio is specifically balanced to prioritize phosphorus and potassium, which are essential for flower and fruit development. The lower nitrogen content helps the plant focus its energy on bud production rather than excessive vegetative growth.
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