Macroblock antifouling treatment featured in Fish Farming International View Larger Image Macroblock, the eco-friendly antifouling treatment developed by Sylleta was highlighted in the October 2013 issue of Fish Farming International. By walkerlab|2018-12-03T16:45:00-05:00November 18th, 2013|News|Comments Off on Macroblock antifouling treatment featured in Fish Farming International Share This Story, Choose Your Platform! FacebookTwitterLinkedInRedditTumblrPinterestVkEmail