Granulated black chalk

Granulated black chalk with the highest reactivity and purity. Quickly neutralizes soil acidity and supports biological life.

The purest form of lime with humus.

pH Black PLUS

Silica, magnesium, and calcium in a fast-absorbing form support plant growth, resistance, and health.

Mineral richness

Support the development of microorganisms and soil fertility.

Humic acids and organic carbon

Heavy metals below the detection limit. Safe for the environment and crops.

Purest composition

91% in HCl – instant action and immediate availability of calcium.

Ultra reactivity

What makes it stand out.

Your soil. Your yield. Your choice.

Support the development of soil microflora and increase soil fertility.

Natural humic acids and organic carbon

Heavy metals below the detection limit – completely safe for the environment and crops.

Purest form of mineral

Perfect particle size for even spreading even over large areas.

Optimal granulation – 2–7 mm

Long-term pH protection and better conditions for plant growth.

Neutralizing value – 43.3 eq CaO

Effectively neutralizes soil acidity and supports healthy plant growth.

Concentrated dose of calcium – 45.3% CaO

Immediate action and full availability of calcium from the first days after sowing.

Maximum reactivity – 91% in HCl

Technical parameters of pH Black Plus