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Posted on: September 30, 2017

GUIDE TO HEALTHY SURFACE WATER

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The end of summer is here and it is time to empty the pool until next year. Chlorine and other chemicals used to keep your pool water or spa clean cause BIG problems for fish and other aquatic life. All it takes is a few steps to not compromise or pollute the “air” fish breathe.

  • Allow pool/spa to sit at least seven days without adding chlorine or other chemicals-chlorine content should be 0.1 milligrams per liter.
  • Ensure the Ph of the pool/spa water is between 6.5 and 8.5.
  • Drain water through at least 15 feet of a flat, grassy area first to allow remaining chemicals to dissipate before reaching the storm drain.
  •  Keep the flow of water low, about 12 gallons per minute to prevent erosion and having to fix the landscaped area later.

If you have a saltwater pool or spa and backwash filter system, here are a few tips:

  • Discontinue the addition of salt as you get ready to empty the pool or spa.
  • Water from backwash filter systems should be directed to the sanitary system through a drain in your home or discharged to a flat lawn area.

To learn more visit iowastormwater.org.

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