Calcium Carbonate

Calcium Carbonate

Calcium Carbonate, also known as agricultural lime, is a fast-acting calcium source that helps balance soil pH and supports strong plant cell development. This ultra-fine grade, UK-sourced lime offers rapid solubility and ease of use in potting soil mixes.

Benefits of Calcium Carbonate for Your Garden

• Neutralises Acidity: Quickly adjusts soil pH, improving nutrient availability.
• Provides Calcium: Strengthens cell walls, supporting plant structure.

Additional Advantages

• Mined and processed in the UK
• Easy to apply and suitable for most soil types
• Safe for indoor and outdoor use

Application Rates

• Potting Soil Mix: Use 1–6g per litre of soil mix, depending on pH target

For best results, amendments should be applied after a soil test. Contact us if you need advice.

Typical Composition

• Calcium Carbonate (CaCO₃): 99%
• Calcium (Ca): 40%
• Calcium Oxide (CaO): 55%
• Silicon (Si): 0.2%
• Silicon Oxide (SiO₂): 0.4%
• Sodium (Na): 0.5%

Product Data

• Mean particle size: 3μm
• <2μm particles: 34%
• HCl Insoluble content: 0.5%