Q: Are there different types of lime? A: Yes, but lime that gives the best results contains a higher level of Calcium Carbonate and is ground to ideal consistency.

Real lime contains 85-100% Calcium Carbonate (CaCO₃). Lime that contains higher levels of active ingredient (CaCO₃) is more pure, which means it is more efficient in improving soil conditions.
McDonald's Lime is Fertmark certified to contain a minimum of 92% CaCO₃, and they are one of New Zealand's leading agricultural suppliers.
The fineness of the particles also plays an important part in the effectiveness of lime.
McDonald's lime grinding Our lime is ground to consistent standards to the following specifications: a minimum of 50% passing 500 microns and a maximum of 5% retained on a 2mm sieve.
An independent monthly analysis of McDonald's agricultural lime is available here: McDonald's Lime Monthly Analysis

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