As I am not afraid to print a retraction, I figured I should update my opinion of this product.
Over the past week since this thread was posted I have tried adding a grazing ring every second day to get the fish used to them and have had ever improving success. It started with only my chromis being interested in them and now all my grazers have shown interest and are making great progress on them. I will definitely continue use of this product as it is not only great for viewing the fish but seems to offer them something to do for hours at a time.
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