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Frequently Asked Questions

Questions our customers ask most. Call us toll free at 877-378-4279 and our team will answer yours - and yes, we provide free on-site septic system problem assessment services.

General septic system problems

  • What conditions should I look for if my system is failing?
  • Does SPS provide free on-site septic system problem assessment services?
  • How do I know if my leachfield is failing?
  • Can the White Knight be used to prevent leachfield failure?

Operating principles, conditions and costs

  • How does the White Knight restore leachfields?
  • Are the bacteria used in the White Knight safe?
  • Is there an odor when the White Knight is operating?
  • Is there any noise when the White Knight is operating?
  • Does the White Knight operate continuously?
  • What happens if there is a power failure?
  • Do I have to continue pumping the septic tank?
  • What does it cost to install the White Knight?
  • How much does it cost to operate the White Knight each month?
  • Is there an annual maintenance fee?

Performance history and warranty

  • What states is the White Knight approved in?
  • How many White Knights has Septic Preservation Services installed?
  • Is the White Knight guaranteed to restore my leachfield?
  • How long does it take to rejuvenate a leachfield?
  • What happens if the White Knight doesn't rejuvenate my leachfield?
  • How will I know if the White Knight is restoring my leachfield?
  • What happens when the White Knight components wear out or fail?
  • Is the warranty transferable if I sell my property?
Free on-site septic system diagnosis

Call toll free 877-378-4279.

Our trained staff of environmental consultants are available to provide a free, on-site septic system diagnosis and valuable advice based on thousands of successfully rehabilitated systems.

877-378-4279 Contact Us