Baltimore Swimming Pool Information

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There is no evidence that the virus that causes COVID-19 can be spread through the use of pools and hot tubs

The CDC has said that "proper operation, maintenance, and disinfection (e.g. with chlorine or bromine) of pools and hot tubs should remove or inactivate the virus that causes COVID-19."
What do they mean by "proper"?
Following further information provided by both the CDC and the EPA, Bioguard recommends that pool/hot tub operators diligently follow these maintenance steps:

  • Ensure that your pool/hot tub continuously maintains a free available chlorine residual of 1-4 ppm or for bromine, a 2-5 ppm residual, with an EPA-registered sanitizer. Follow label directions for proper use.
  • Keep water balanced to these recommended ranges (follow all label directions for proper use):
Minimum: 7.2
Recommended Range: 7.2 - 7.6
Total Alkalinity
Minimum: 80 ppm
Recommended Range: 125-150 ppm
Calcium Hardness
Minimum: 175 ppm
Recommended Range: 175-275 ppm
Cyanuric Acid
Minimum: 30 ppm
Recommended Range: 30-100 ppm


  1. Operate your pump at least 8-12 hours per day to assure proper circulation and filtration.
  2. Disinfect surfaces around the pool/hot tub with an EPA-registered disinfectant hard surface cleaner to prevent transmission of the virus through touching of contaminated surfaces.
  3. Do not swim if you show symptoms of being sick. Follow guidance by the CDC, Public Health Officials and/or your Medical Provider.

Additional information regarding proper swimming pool operation can be found at :


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Bio-Lab, Inc., a KIK Custom Products Company, PO Box 300002, Lawrenceville, GA 30049-1002.

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