Non-Ionic Surfactant for Herbicides is safe for animals when used as directed. However, this product is not labeled for use in aquatic areas, so you should not use it with aquatic herbicides in those areas.
The Non-Ionic Surfactant for Herbicides could damage foliage on flowers in hanging bakets especially in the summer heat. We would not advise this application.
Yes, Non-Ionic Surfactant for Herbicides may be mixed with QuinKill Max Crabgrass and Weed Killer to increase effectiveness.
Non-Ionic Surfactant for Herbicides can be mixed with Docket DF to promote the product to stick.
Using too much Non-Ionic Surfactant for Herbicides can cause your spray solution to become bubbly or foaming when coming out of your sprayer, and in some cases can increase the chances of discoloration on the plants you applied the product to. The only way to know for sure is to give it time. If the plants do not seem to heavily yellow or look like they have been burned/scorched within a few days you should be okay.
Crosscheck does not require the use of a surfactant but one can be added.
You can spray a Non-Ionic Surfactant for Herbicides along with a liquid potassium on old oak trees, as long as it's labeled for use on ornamentals and trees as well. For moss control, you can use Bonide MossMax RTS on hardened bark of trees. Trimming any foliage around that allow the sunlight in will help control moisture in the area that could be the cause of the moss.