clean indoor spa

Your Hot Water Spa is Easy to Look After

spa glass enclosed frame
Mainframe. An aluminium enclosure with glass sliding doors provides shelter in bad weather.

Thinking of installing or building a hot water spa? If so, you’ll be pleased to find out that a hot water spa is low maintenance. With ongoing advances of today’s modern spa-care technology, spa lovers can not only leave their work day worries behind when they use the spa, they can also forget about the worry of complicated spa care by simply following basic maintenance guidelines. So, before you tense up thinking about maintenance hassles that might put you off the idea of a hot water spa, think again. New advanced spa products make spa care easier than ever before. According to June Mason of BLSA Industries (Pty) Ltd: “For water that’s ready for you to soak in when you’re ready to relax, make sure you’ve done a water analysis to ensure the water is properly balanced. This simply requires taking about one litre of water from your spa to a BioGuard Pool and Spa Care Centre where you will get personalised advice for maintaining your particular spa or hot tub. Their analysis will help you get your spa off to the right start or help you correct any problem you might be experiencing, such as metal or mineral imbalances.”

Other key treatment steps include:

  • Adding a bromine or chlorine sanitiser to the water to kill bacteria and keep the water clean.
  • Treating the spa with a spa shock to remove undesirable compounds, such as perspiration and body lotions which cannot be easily removed by the spa’s filter.
  • Checking the water’s pH and total alkalinity. pH should remain between 7,4 and 7,6.  Total alkalinity should be in the range of 125 to 150 parts per million.
spa alongside pool
Bubble bubble, no more trouble. A custom-built spa has been sited at the corner of the swimming pool so swimmers can plunge into invigorating cold water after a hot, healthy soak. A ledge has been incorporated around the inside edge of the spa for swimmers to sit on.

June also advises testing the water in your spa every few days and following these easy steps to help maximise the life of your spa and keep it healthy for you and your family.

Spa Sanitation

Hot water has the potential to serve as a prime breeding ground for certain types of common bacteria. If left untreated, these bacteria may lead to skin rashes and general irritation to bathers. Proper spa sanitation requires care – as does a pool. Even though you have fewer litres of water, you have a much higher relative bather load. For instance, four bathers in a 1900 litre spa are equivalent to roughly 160 swimmers in a 75 000 litre pool.

Elevated exterior spa and pool
Two for the price of one. An ingenious spa and pool design cantilevered on a sloping property.

pH Levels in Your Spa

Correct pH levels (7,4 to 7,6) help keep the sanitiser active to prevent cloudy water or equipment problems. Hot water, particularly if it is aerated, can result in a gradual increase in pH. This means that the steps taken to balance a spa are slightly different from a swimming pool. Remember that pH needs to be tested every time the spa is used and immediately afterward. Keep the water properly treated with regular sanitation, proper pH and shock treatment to prevent bacteria build-up.

Spa maintenance

Enclosed tiled spa
Mosaic magic. A clever little spa built into the corner of a handpacked concrete swimming pool built indoors

If the water no longer smells fresh, is cloudy or simply looks murky, it may be time for a general cleaning. Residential spas require draining about every three months. Clean your spa shell with BioGuard Off The Wall to remove greases and oils that accumulate on the sides. Filters should be cleaned with SpaGuard Filter Brite. Then rinse both the spa and the filter with a chlorine solution.

Spa Maintenance Checklist

  • Balance spa water with circulation on, no aeration.
  • Test water frequently using a test kit.
  • Check pH before using the spa and adjust if necessary. Adjust again an hour after use.
  • Check chlorine or bromine frequently. You should shock the spa after each use.
  • Keep your spa shell clean and clean the filter regularly.
  • Drain and replace spa water regularly.



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