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Cu-Foam packets are USED WITH copper sulfate pentahydrate to contact the roots above the water line using a PROPRIETARY BLEND of ingredients that WILL FILL THE SEWER LINE WITH FOAM.
*Cu-Foam does not contain a root killer and will not control roots. You must use our EPA labeled COPPER SULFATE PENTAHYDRATE for ROOT CONTROL.
One packet of Cu-Foam is placed into the toilet or clean out along with the recommended amount of copper sulfate (about 2 pounds per treatment, refer to copper sulfate label) and is flushed once the Cu-Foam water dissolvable packet starts to disintegrate, this is visually seen in about 30 seconds and the toilet should be flushed as soon as water comes in contact with the powder to avoid overflow and to increase its effectiveness inside the sewer line where the roots are. The EPA registered root killer (copper sulfate pentahydrate) and Cu-Foam WILL THAN DISPERSE THROUGH OUT YOUR ROOT INFESTED SEWER LINE, as the foam generates and coats the entire diameter of the pipe, THE COPPER SULFATE IS TAKING A RIDE ON THE FOAM REACHING THE UPMOST ROOTS! THAT IS NOT SEEN IN OTHER PRODUCTS!
Let the treatment sit as long as possible in the treated line, this is done by not using the other drains and toilets throughout the house. In most cases all the plumbing drains lead into the main line that has the root issue, so running excess water down a drain (ie. washer machines, showers, sinks, toilets) can push the treatment out of your infested sewer line into the "cities main."
Treat at night right before bed, or during the day if the house will be vacant for a few hours (approx. 3 hours).
Drought conditions like little to no rainfall, summer heat and other variables can increase the trees need for water and how it will get the water it needs. Tree roots will set out to find its nearest water source which usually ends up being the sewer lines. Pay attention to your system during these conditions, listen for gurgling toilets and drains and look for slow drainage as these are signs that roots are blocking your sewers flow.