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Pond Weed Control

How to Kill and Control Pond Weeds - We have many aquatic herbicides (pond weed killer) to use for specific weeds including Cutrine Plus, Navigate, Sonar, Reward, GreenClean and others. Proper weed identification is important. Some of our weed killers are broad spectrum and will kill a variety of weeds. Some work on contact, others work in the entire body of water. Sonar, for example, can last more than one season and is a broad spectrum weed killer.

Please note:  There are restrictions in some states for various chemicals.  Please check the below list.

The following states restrict the following EPA Registered Chemicals:

States: AK, CA, CT, ID, HI, ME, MA, NH, NJ, NY, RI, VT, WA.


Cutrine Plus Liquid
Cutrine Plus Granular
Cutrine Ultra
Aquathol Super K
Aquathol Liquid
Hydrothol 191 Granular
Shore Clear/AquaNeat

Alternative chemicals NOT EPA Registered that can be used in these states and elsewhere are:

Cygnet Plus
Cygnet Select


GreenClean is restricted in NY.

GreenClean Pro (SCGC50PRO) & GreenClean Liquid SCGCL5) are restricted in MA.

GreenClean Liquid is also restricted in NY, NJ, VT, and ME and can only be purchased and applied by a licensed applicator. If you are a licensed applicator, we need a proof of your license before shipping this product to you.

In cases where restrictions are not given in above chart, consult your State Conversation Commission or Fish and Game Department for specific restrictions.

Note: Copper sulfate is not included in this chart nor on our website as it is not recommended due to problems with copper build up in sediments and toxicity to aquatic organisms.