The problem with using Round-up or other generic "look a likes" it is that it is not labeled for use around water. So, it's illegal to use it that way. It's not the Glyphosate that is bad, it's the surfactant that hasn't been tested. So, there's no way to know for sure if the surfactant will or won't harm fish or any other aquatic life. The label is the law. As a licensed applicator, I can get in a lotta trouble if I use a herbicide in a manner that isn't listed on the label.

There are herbicides that are specifically labeled for aquatic use, and they do very well when trying to control cattails. I have better control on cattails when I use a bit more surfactant in the mix. I'm not talking about something that you think will work or home brews, I'm talking about surfactants that are specifically blended and tested and proven safe to be used around ponds.


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).