Jacks Classic Acid Special
Best nutrient solution for gardeners growing acid-loving plants.
This is the gold standard for coaxing vibrant, deep-green foliage out of finicky acid-loving plants like azaleas and rhododendrons. It trades the convenience of slow-release pellets for a fast-acting, water-soluble formula that delivers immediate results, though it requires a more disciplined, regular feeding schedule.
$16.99
Who it's for
- Users wanting quick, mess-free mixing for irrigation systems
- Gardeners growing acid-loving plants like azaleas or blueberries
- Plant owners seeking balanced, comprehensive vegetative nutrition
Who should skip it
- Owners of plants requiring neutral or alkaline soil conditions
- Beginners prone to over-fertilizing delicate indoor or outdoor plants
- Budget-conscious shoppers looking for basic, general-purpose plant food
Performance breakdown
Nutrient Solubility
Water-soluble powder dissolves rapidly for immediate root zone absorption.
Acidification Efficacy
Specifically formulated to lower soil pH for thriving acid-loving species.
Foliage Greening
High nitrogen content effectively corrects chlorosis in sensitive ornamental plants.
Packaging Durability
Water-resistant tub protects the powder from clumping in humid environments.
Application Versatility
Works seamlessly for both container houseplants and outdoor garden beds.
Nutrient Availability
Quick-release mineral formula provides a rapid boost to struggling plants.
Key Specs
Nitrogen Percentage
17%
Phosphorus Percentage
6%
Potassium Percentage
6%
Package Weight
1.5 lb
Fertilizer Form
Water Soluble Powder
Release Type
Quick Release
Fertilizer Source
Mineral Based
Water Soluble
True
Target Plant Type
Acid-Loving Plants
Organic Certified
False
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