Episode 7 - Reef Restoration Training: Mixing cement for Coral Restoration 

One of the most challenging elements of active coral reef restoration using coral gardening techniques is effective outplanting of coral colonies to natural reef substrates. It is all well and good to grow coral in coral nurseries, but unless you can get corals to grow effectively to become an integral part of the local coral reef community.
This video demonstrates one method to mix cement for use in coral restoration efforts. Further written instructions can be found in this Google Doc (docs.google.co...)
As noted there are many different mixtures and recommendations. There is no one absolutely correct method. You need to try different approaches and mixtures and see what is going to work for you in your particular region.
Further instructions can also be found in this Coral reef restoration toolkit from the Seychelles. (www.natureseych....