Pond Boss Forums AQUATIC VEGETATION Identifying plants What the heck is that?

As noted it will absorb a lot of nutrients for its size. It should help reduce dissolved nutrient problems and compete well against bluegreen algae, & surface scums. Since it floats it should be relatively easy to harvest the plants and compost them in the Fall. Letting it die as winter approaches and then allow it to recycle the nutrients would be counter productive.