Green Plumbing

Category - Water-Efficient Technology

Which of the following is not an ongoing maintenance task with graywater system products?
  1. Flushing/sanitizing storage tank, if installed
  2. Cleaning/replacing filters
  3. Checking graywater-irrigated plants for signs of stress or toxicity
  4. All of the above
Explanation
Answer: D - All of these actions constitute maintenance tasks that must be kept up to ensure the safety and efficacy of the graywater system. Sanitizing tanks prevents bacteria buildup, although they’re generally not recommended. Filters for removing debris need periodic cleaning and replacement. Plants irrigated with graywater may suffer from high levels of contaminants that may infiltrate the graywater supply.
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