If you trying to play effect near the water you can see that effect is strange and transparent: water texture drawing over the effect and looks like effect's particles is underwater.
Here is example video, where you can see this effect: http://youtu.be/PXFdfREj8ms
(rewind to 02:05)
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102nd Duplicate of MC-9553- If you have not, please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.