Root killers can be particularly effective in destroying tree roots in septic systems and sewer pipes.
But you may not be sure about how often it is possible to use root killers since roots can grow quite fast. Some solutions might also contain chemicals that can damage the piping system, which is another important factor to consider.
That’s why I’ve put together this guide on the topic to make things easier. So, let’s begin!
How Do Root Killers Work?
Before answering the question how often should you use root killer, it is essential to understand how root killers work. Chemical root killers generally contain metam sodium or copper sulfate and work by poisoning the roots that have infested your sewer system or pipeline.
And the best part is that they will not damage the tree itself as they aren’t directly added to the tree roots.
How Often Should A Root Killer Be Used?
For the best results, it is recommended to use a root killer every 30 to 60 days. You can follow this routine as preventive maintenance, which will inhibit the growth of new roots in your sewer system.
This periodical application is most suitable for root killers that contain copper sulfate since they can easily be purchased over the counter and are not toxic to animals and humans. They will prevent further damage to the sewer system.
You should also keep in mind that the application depends upon the severity of your root problem. In cases of very severe growth, you might need to physically remove some of the roots before applying the root killer.
Can A Root Killer Damage Pipes?
Materials such as copper sulfate and metam sodium can damage pipes, so you need to be careful while using them. One effective way to do so is by flushing a root killer that does not contain such chemicals down the toilet. This will prevent damage to the pipes and without causing harm to the tree.
When Is The Best Time To Use A Root Killer?
The best time to apply a root killer would be in spring and late fall, providing the most effective results.
How Much Time Does A Root Killer Need To Work?
Depending upon the severity of the problem, a root killer can take three and four weeks to show results. You should not wait for the roots to result in a blockage, as water flow is essential to let the roots absorb copper sulfate. Once they absorb enough chemicals, they will start to wither and die.
Final Words
If you’re worried about your sewer system being damaged by tree roots, applying a root killer might help solve the problem. But if the damage is already done, applying a root killer alone might not be sufficient.
In such cases, you should consider pipe repair or replacement or sewer relining as a more permanent solution. That said, I’ll wrap up for the day. Take care!