I have a small pond about 3/4 acre and 4 feet deep in the deepest portion. For the past few years it has had a significant watermeal problem. Last fall I bought some Reward and Cide-Kick, mixed it per the instructions, and sprayed thoroughly over the entire pond. The watermeal went away, but because of winter I think, not because of the Reward. It has recently reappeared but in relatively small amounts. I have spot sprayed 3 times now, twice at the recommended dosage and once at about twice the recommended concentration. I don't see any of it dying. If anything, it appears to have spread slightly.
Can anyone offer any tips or recommendations?
Thanks!
Mike