Fast Acting Sulfur Fertilizer | Lowers Soil pH Fast | Soil Acidifier

Earth Science

Lowers Soil pH Fast | Sulfur Pellets

Earth Science Fast Acting Sulfur pellets starts working immediately to lower the pH of your soil naturally. Acid-loving plants require a low-pH soil environment to thrive (between 4.0 and 5.5). Most other plants perform best when soil pH is between 6.2 and 7.2.

  • Most plants perform best when soil pH is between 6.2 and 7.2. For "acid-loving" plants, we recommend a soil pH range of 4.0 - 5.5.
  • Helps acid-loving plants like hydrangeas, azaleas, and blueberries thrive.
  • For improved success, test your soil pH annually and be sure to search for your specific location to find the ideal pH level.

When used as directed, Fast Acting Sulfur helps your plants absorb more food and improves fertilizer effectiveness for a lush green lawn and colorful garden.


Apply with Any Spreader
Apply at a rate of 5 lbs per 1,000 Sq. Ft. One bag of Earth Science Fast Acting Sulfur will cover a 5,000 Sq. Ft. lawn. Apply any time of year to maintain optimum soil pH.



Water In (Optional)
While not required, watering for 15 minutes after application activates the product for faster results.


Application  Rate & Frequency
Lawns 25 lbs per 5,000 Sq. Ft. (1 bag), Up to 2x per season
Acid Loving Plants 5 lbs per 400 Sq. Ft., As needed
Vegetable & Flower Gardens 2.55 lbs per 400 Sq. Ft., Feed in Spring
Trees 2.5 lbs spread below canopy, Feed in Spring and Fall
Shrubs 1/2 cup around base, Feed in Spring and Fall


Spreader Type  Recommeneded Setting
Scotts Broadcast Spreader 4
Scotts Drop Spreader 7
Earthway Broadcast Spreader 8
Lesco Commercial Spreader 8

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