Invisible Armor Stands Make Bubble Particle Effect When Hitting Water

Based on the date of this video, I think it is 1.8.4. SethBling's video shows this glitch:
https://www.youtube.com/watch?v=VCKMv1i-wPE&feature=iv&src_vid=iVXviz_kp3M&annotation_id=annotation_2961215083

Basically, invisible armor stands make bubbles.