Earth Science Fast Acting Sulfur Granules — 5 lb, Lowers Soil pH & Pet-Safe

Earth Science Fast Acting Sulfur granules are a fast, pet-safe soil amendment that lowers pH to help acid-loving plants uptake nutrients and enhance color.

If your hydrangeas, azaleas, blueberries or turf show dull color or reduced growth because the soil is too alkaline, a targeted sulfur treatment can help. These 5 lb granules from Earth Science use elemental sulfur plus Nutri-Bond technology to act quickly and stay where you apply it. The formula is designed for landscape and home-garden use and is safe for people and pets once spread.

How quickly will this sulfur change my soil pH?

Fast Acting Sulfur is formulated to begin adjusting soil pH soon after application, but the exact speed depends on soil type, moisture and microbial activity. Sandy soils often show faster change than heavy clay, and regular watering and warm temperatures accelerate conversion.

• Begins working immediately as granules dissolve and microbes convert sulfur to acid.
• Visible pH changes typically over weeks to a few months depending on conditions.
• Best applied in moist, warm periods for faster action.

Will this product make a visible difference in plant color and vigor?

Lowering an overly high pH helps acid-loving plants access iron, manganese and other nutrients, which can improve leaf color and flowering. Results vary by plant and underlying soil fertility, but many gardeners report greener foliage and more intense blooms after treatment.

• Helps azaleas and hydrangeas take up nutrients that were previously locked out by high pH.
• Supports healthier turf color when soil pH is adjusted into a preferred range.
• Works well alongside routine fertilization for stronger seasonal performance.

Is this safe to use around people, pets, and different grass types?

Earth Science Fast Acting Sulfur is labeled for use on all common grass types and in home landscapes, and it’s safe for people and pets to re-enter areas immediately after application. The granules are non-corrosive when used as directed, though normal precautions—like avoiding inhalation during spreading—are recommended.

• Safe for lawns and ornamental beds when applied at recommended rates.
• People and pets can occupy treated areas right after spreading.
• Follow label instructions for application rates and equipment to avoid overuse.

What makes Nutri-Bond Technology different from ordinary sulfur granules?

Nutri-Bond Technology helps the granules adhere to soil particles, reducing loss from runoff and improving placement accuracy. That means more of the active sulfur remains where you applied it, making the treatment more efficient and environmentally considerate.

• Improved adhesion helps limit product movement during rain or watering.
• Reduces the need for repeat applications by increasing effectiveness per use.
• Designed to work with existing irrigation and spreading methods.

Who is this for: Home gardeners, lawn-care enthusiasts and small-scale landscapers who need a reliable, fast-acting way to lower soil pH for acid-preferring plants. If you want a pet-friendly product that reduces nutrient lockup, improves color and minimizes runoff through better adhesion, this 5 lb container provides a convenient, concentrated option for spot treatments and everyday garden maintenance.

Ingredients

Earth Science – Fast Acting Sulfur with Nutri-Bond Run Off Reduction Technology – Fertilizer Enhancer – Lower pH of Soil 5 lb