Yes, those are hyacinths. They can overwhelm the water and reduce oxygen levels, but 6 in a pond won't cause a problem--I've had more than that in tubs.
They are the floating type that fill up water ways. I`ll have to ask him again what the plants are. Always the same feed am/pm of ground chicken heart,
Crazy Ants Invade And Infest Electronics And Bite Livestock in U.S. (VIDEO)
http://www.hngn.com/articles/4963/20...-u-s-video.htm
neoprodigy Today, 8:09 AM