Potassium Boost 0-0-30 Muriate of Potash Lawn Fertilizer

Potassium Boost 0-0-30 is a high-potassium fertilizer designed to correct potassium deficiencies identified in soil tests and strengthen turf for improved stress tolerance, root development, and overall lawn health.

Potassium plays a critical role in turfgrass performance. When soil potassium levels are low, lawns may struggle with drought stress, disease pressure, and poor overall vigor. Potassium Boost delivers a concentrated source of soluble potash (muriate of potash) that quickly replenishes potassium levels in the soil and helps restore balance to your fertility program.

This product is ideal for homeowners who have received a soil test showing low potassium levels and need an efficient way to bring those levels back into the optimal range.

Why Potassium Matters for Your Lawn

• Improves Stress Tolerance – Helps lawns handle drought, heat, and cold conditions.
• Strengthens Turfgrass – Supports stronger cell walls and overall plant resilience.
• Enhances Root Development – Encourages deeper root growth for improved nutrient and water uptake.
• Improves Disease Resistance – Balanced potassium levels help turf fight off common lawn diseases.
• Corrects Soil Deficiencies – Ideal when a soil test shows potassium levels are low.

When to Apply 0-0-30 Potassium Fertilizer

Potassium Boost is best applied when a soil test indicates potassium deficiency. It can be used during the growing season to strengthen turf and improve overall lawn performance.

Because this product contains potassium only, it is often used alongside other fertilizers to balance soil nutrient levels.

Application Rate

Apply at 3lbs per 1,000 sq ft using a broadcast spreader. Water after application to help move potassium into the soil.

Common Signs Your Lawn Needs Potassium

• Weak turf during drought or heat
• Slow recovery from stress
• Poor winter hardiness
• Soil test showing low potassium levels

Correcting Other Soil Deficiencies

Potassium is only one part of a balanced fertility program. If your soil test indicates other deficiencies, Lawn Synergy offers professional-grade products designed to restore soil balance.

• Nitrogen Deficiency: 21-0-0 Ammonium Sulfate provides fast-acting nitrogen for rapid greening.
• Phosphorus Deficiency: TriplePhos Boost 0-46-0 delivers concentrated phosphorus for root development.
• Nitrogen + Potassium: Almighty 20-0-10 Lawn Fertilizer provides a balanced combination of nitrogen and potassium.

Professional-Grade Lawn Fertilizer

Potassium Boost 0-0-30 uses high-quality muriate of potash to deliver a concentrated potassium source trusted by turf professionals. It is ideal for homeowners looking to correct deficiencies and build stronger, more resilient turf.