What is this? I know what I suspect but looking for non biased input. 1/2" diameter, colors are true in picture under 100 blue, 65 wh8te, 100 moon on led fixtures. Basically took all rock while rescuing 30 gallon reef which had a light crash and couldn't afford to replace. Found these little guys when I got home and under my lighting. 2 of them 4 inches apart
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