Oysterkrete
Description
Oysterkrete is a patent-pending concrete mixture specifically formulated to attract naturally occuring oyster larvae and to stimulate growth of oysters after attachment. The material was designed and created by ORA Technologies and is exclusively licensed to Wayfarer Nursery & Supply.

Oysterkrete disck with substantial oyster growth after 4 months in Machipongo River, VA.
Applications
- Harvestable cultch material for maintaining active oyster beds.

Oysterkrete plugs with newly settled oysters.
- Spat collecting material for use in small-scale oyster gardening.

Stacked disk design for spat-collecting reef units.
- Permanent reef or breakwater structures for reef creation and maintenance of natural brood stocks.

Conceptual drawing of large-scale reef-building unit (courtesy of ORA Technologies).
Results

Relative growth rates of oysters on Oysterkrete vs. control concrete (courtesty of ORA Technologies).

Map of the Chesapeaker showing locations where Oysterkrete has successfull captured natural oyster recruitment.
