GAIA GREEN Oyster Shell Flour is a renewable alternative to mined limestone with a comparable capacity for ameliorating soil acidity. A single application can improve soil properties for several years. GAIA GREEN Oyster Shell Flour is an excellent choice for all gardens where increased soil pH is desired.

• An excellent source of slow release calcium.

• Equivalent to limestone for ameliorating soil acidity.

• Renewable resource.

Guaranteed minimum analysis:

Calcium (Ca)....................................36.0%

Neutralizing value (CaCO3)..............96.0%

Passes 100 mesh TYLER Screen.......30%

GAIA GREEN Oyster Shell Flour is approved for use in organic agriculture by Ecocert Canada (in compliance with Canada’s Organic Production Systems General Principles & Management Standards and Permitted Substances Lists (CAN/CGSB 32.310-2015 and CAN/CGSB 32.311-2015)).

GAIA GREEN learning information