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+ GROW_ Concrete Mix©
Eco-positive building block for living shorelines
Formulated to match the oyster shell
Provides early stage nutrition
Testing by VIMS shows faster oyster growth
All natural ingredients - No admixtures
Used by TNC, Fish & Wildlife, MIT & others
+ GROW_ Reef Tile©
eco-positive building block for living shorelines
12” x 12” x 8.5”(h); 28 lbs - 30cm x 30cm x 22cm(h), 13k
straight or curved layouts with endless possibilities including serpentine patterns
predator proof, rough shell-like surfaces for optimum oyster attachment, survival & growth
the only product available that serves as a catalyst for the oyster to bridge beyond the footprint of the artificial substrate
interlocking ‘Topper’ option fits into the ‘Oyster Castle’ system
+ Results
GROW Reef Tile: Increasing biodiversity
natural catch in the Chesapeake Bay after 1.25 years
87 % initial coverage of healthy adult oysters as shown
additional growth of oyster upon oyster in subsequent generations
provides immediate habitat for crabs, fish and other species, seagrasses, seabirds and turtles
+ Impact
GROW Reef Tile: maximizing ecosystem services
cleaner water, shoreline retention, and surge protection
carbon sequestration and nutrient credits available in many regions of the world
seagrass planting through bottom holes for shoreline retention & carbon capture
fish habitat provided between oyster towers upon installation ⁃ multiple securing options
+ GROW_ REEF DISK©
for living shoreline enhancement, and scientific research
3.5” (h) x 4” (d) with a 1.25 “ hole. 5 Lbs.
can be inserted into nooks and crannies between large breakwater rocks to increase oyster productivity.
connected to ropes and hung off docks, piers, and buoys
attractive to both oysters and mussels
oysters are easy to remove with a small shellfish hammer.
reusable after shellfish are removed
+ Results
GROW Reef Disk after one year in Baltimore Harbor
100% surface coverage within one year of natural catch
3 layers of mussels in first year of testing
85% oyster coverage in testing leaving oysters room to mature
scientific testing in Boston Harbor, Baltimore Harbor, and lower Chesapeake Bay