We have a local reefer in my club who is also a RC member that is using PCL currently in is commercial coral grow out tanks. So far he seems to be quite happy. Other hobbyists have formed a group by from China for a PCL source at a cheaper rate. You can follow this thread at:
http://www.wamas.org/forums/topic/37366-diy-biopellets/
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Cliff Babcock
Intestests: Digital Microscopy; Marine Pest Control; Marine Plants & Macroalgae
Current Tank Info: 180 g. mixed reef system
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