DARK MATTER™ 18-0-0 Ammonium Sulfate with 4% Iron

DARK MATTER™ 18-0-0 Ammonium Sulfate with 4% Iron

Premium Turf & Landscape Fertilizer – Small Prill, Fast-Acting Formula

The Ultimate Fertilizer for a Deep, Rich Green Lawn

DARK MATTER™ 18-0-0 is not your average ammonium sulfate. This premium fertilizer is designed to deliver fast results, providing an intense green-up and strong, healthy turf growth. Unlike standard ammonium sulfate, this formula includes 4% slow-release iron, giving your lawn an even deeper, longer-lasting green without the risk of streaking or uneven application.

✔ Ultra-Fine Prill Size – Ensures better coverage and more even nutrient distribution
✔ 4% Iron Boost – Deeper color and longer-lasting green-up than standard ammonium sulfate
✔ 20% Sulfur – Improves soil health and nutrient absorption
✔ No Fillers – Just pure nutrients your lawn needs for maximum performance

Note: Product photo is not an actual photo. We have used oversized bags on this first run to keep prices as cheap as possible. So the bag will come oversized.

Application Instructions

• Rate: 3-4 lbs per 1,000 sq. ft.
• Frequency: Apply every 3-4 weeks or as needed based
• Watering: Water immediately after application for best results
• Avoid Application: If heavy rain is expected within 24 hours

Spreader Settings

For best results, apply using a calibrated spreader at the recommended settings:

• Scotts Broadcast (Turf Builder EdgeGuard DLX, Elite, or Mini): Setting 5-6
• Lesco Rotary (80 lb. or 100 lb.): Setting 13-14
• Earthway Rotary (2050, 2600A, 2750, 3100, etc.): Setting 13-14
• Spyker Rotary (P20-5010, P40-5020, P70-12010, etc.): Setting 3.5-4.0
• Scotts Drop (AccuGreen 1000, 2000, 3000): Setting 7-8

Note: These settings are for states where this product is permitted for lawn use. Follow all local and state regulations regarding fertilizer application.

IF YOU WANT TO DISSOLVE THIS PRODUCT, PLEASE READ:
The ammonium sulfate is this product will dissolve, but this product also contains a slow release iron product which does not dissolve. You will need to strain out the iron product to be able to use it in your backpack sprayer. Depending on how well it's strained, you still may deal with some clogging issues. Put down at 1lb per 1000 sq ft.

Warnings & Precautions

⚠ May cause skin and eye irritation. Avoid direct contact and inhalation of dust. Wear protective gloves, eye protection, and a dust mask when handling.
⚠ Keep out of reach of children and pets.
⚠ Contains iron – may stain concrete, driveways, and sidewalks. Sweep any spills immediately.

Storage & Disposal

• Store in a cool, dry place and keep the bag sealed when not in use.
• Dispose of empty bags in accordance with local regulations.

State Restrictions

❌ Not labeled for lawn use in: Florida, New Jersey, Maryland, Vermont, and New Hampshire. However, this product is approved for agricultural, ornamental, garden, and non-lawn landscape use in these states where permitted by local regulations. Always check local application guidelines before use.

🔥 Get the deepest green your lawn has ever had – grab yours now!