Malaysia has been working with Reef Balls for a long time. Note an article from 2006
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Malaysia: 200 reef balls 'planted' to restore coralshttps://www.artificialreefs.org/Articles/malaysia%20200%20reef%20balls%20'planted'%20to%20restore%20corals%20%20reefblogger.htmAbout 200 reef balls weighing a total of 540 tonnes were planted at the Mid Reef area off Manukan Island, near here, to restore coral reefs wrecked by the Greg Storm about eight years ago, Thursday.
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As for Sabah Parks, it is the first time that reef balls were used towards the conservation of marine lives in Tunku Abdul Rahman Parks and Karim said the next area identified was Selingan Island, Sandakan under the Ninth Malaysia Plan.
The reef balls that cost Sabah Parks about RM398,000 are sourced from Dasanrama Enterprise.
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At the same time, he hoped Sabah Parks would monitor the reef balls so that it would not be damaged by fish-bombing.
"It would be a waste of money if it is bombed and we have to replace it again and again," he said.
Source:
http://www.dailyexpress.com.my/news.cfm?NewsID=38613