Bloom City's Acid-Loving Plant Fertilizer, Soil Acidifier For All Acid Loving Plants, Quart (32 Oz)

Fertilome (10665) Soil Acidifier Plus Iron (1 Gal)

Bloom City's Organic Soil Acidifier - The Best Soil Acidifier Blueberry And Hydrangea Acidic Fertilizer For Optimal Plant Health, Gallon (128 Oz)

High Nitrogen Humic Acid Organic Garden Fertilizer, Soil Activator For Plants - Fertilizer, Conditioner, & Soil Amendments - Water Soluble Humic Acid

Elemental Soil Acidifier Sulfur Pellets (50 Lbs.)

Persist PAF Organic Soil Acidifier For Gardening And Indoor Plants - Optimal Ph Solution For Lush Growth And Blooms Flowers Orchids Blueberry

Southern Ag Pelletized Soil Acidifier - 5LB

GARDENWISE Slow Release Hydrangea Fertilizer With Iron & Sulfur - Indoor & Outdoor Soil Acidifier For Miracle Growth (5 Qt)

Grow More Hydrangea Blueing Formula - 2Lbs Of USA-Made Soil Acidifier For Hydrangeas, Azaleas, Gardenias, & Many More - Contains Aluminum Sulfate That

Soil Acidifier, 90% Sulfur (50Lb) - 50 LB

Monterey Dr. Soil Acidifier Granules Iron And Elemental Sulfur Acidic Fertilizer, 21 Lb

Bloom City's Organic Soil Acidifier - The Best Soil Acidifier Blueberry And Hydrangea Acidic Fertilizer For Optimal Plant Health, Quart (32 Oz)

Soil Sunrise Acid Loving Plant Potting Soil Mix (12 Quarts) Premium Container Blend Ph Balanced For Azaleas, Rhododendrons, Blueberries And More

Espoma Organic Soil Acidifier, 6 Lb Bag Lowers Soil Ph For Hydrangeas, Blueberries, Azaleas & Acid-Loving Plants

Fertilome Soil Acidifier Plus Iron | Gallon (128 Oz)