Cling-On is a proprietary blend of surfactants and dispersing agents that will not only thicken your mix it will also disperse your mix more evenly across the surface. Cling-on is also designed to rinse as well as it sticks.

Harmful if swallowed
Causes skin irritation
Causes serious eye damage
Very toxic to aquatic life with long lasting effects

1 ounce of Cling-On per mix gallon of solution