Maintaining a swimming pool is no small task, especially in Canada where seasonal changes can create additional challenges. As professional pool service providers, we've seen many common mistakes that pool owners make that can lead to water quality issues, equipment damage, and costly repairs. In this article, we'll highlight these mistakes and provide practical advice on how to avoid them.

1. Neglecting Regular Water Testing

One of the most common mistakes is not testing pool water frequently enough. Water chemistry is the foundation of pool maintenance, and imbalanced chemicals can lead to:

  • Algae growth
  • Cloudy water
  • Scale formation
  • Skin and eye irritation
  • Damage to pool surfaces and equipment

Solution: Test your pool water at least 2-3 times per week during the swimming season. Use reliable test strips or a liquid test kit to check pH, chlorine, alkalinity, and calcium hardness levels. For digital readings, consider investing in a professional-grade electronic tester.

2. Improper Chemical Balance

Even pool owners who test regularly may not understand how to properly balance their chemicals or may add chemicals in the wrong order or amounts.

Solution: Follow these basic guidelines:

  • Maintain pH between 7.2 and 7.8 (ideally 7.4-7.6)
  • Keep total alkalinity between 80-120 ppm
  • Maintain free chlorine levels between 1-3 ppm
  • Add chemicals one at a time, allowing each to circulate before adding another
  • Never mix chemicals directly together

Consider using a chemical calculator app to help determine the exact amount of chemicals needed based on your pool size and current readings.

3. Running the Filter System Insufficiently

Many pool owners don't run their filtration system long enough, especially during hot weather or periods of heavy use.

Solution: As a general rule, run your filter for at least 8-10 hours per day during the swimming season. During heatwaves or after heavy rain, increase this to 12-24 hours. The entire volume of your pool water should be filtered at least once per day.

4. Neglecting to Clean the Filter

A dirty filter can't efficiently remove contaminants from your pool and puts strain on your pump.

Solution: Regular filter maintenance is crucial:

  • Sand filters: Backwash when pressure gauge rises 8-10 psi above normal, and replace sand every 3-5 years
  • Cartridge filters: Rinse with a hose every 2-4 weeks and deep clean with filter cleaner 2-3 times per season
  • DE filters: Backwash when pressure rises 8-10 psi, and add fresh DE powder after each backwashing

5. Shocking the Pool Improperly

Many pool owners shock their pools during the day or don't use enough shock treatment.

Solution: Shock your pool in the evening after sunset, as UV rays from the sun can degrade chlorine. Follow the manufacturer's dosage instructions based on your pool volume. Run the pump for at least 8 hours after shocking to properly distribute the chemicals.

6. Improper Winter Closing

In Canada, proper winterization is crucial. Inadequate winterizing can lead to equipment damage, water quality issues when reopening, and even structural damage.

Solution: When closing your pool for winter:

  • Clean the pool thoroughly
  • Balance the water chemistry
  • Lower the water level below the skimmer
  • Drain and winterize all equipment and plumbing
  • Add winterizing algaecide and shock
  • Install a secure winter cover

For more detailed instructions, see our dedicated article on Winterizing Your Pool: A Complete Guide.

7. Ignoring Small Problems

Small issues can quickly become major problems if left unaddressed. Whether it's a minor leak, unusual pump noise, or early signs of algae, ignoring these warning signs often leads to more expensive repairs later.

Solution: Address problems as soon as they arise. If you notice anything unusual, investigate it immediately. Regular preventative maintenance is always less expensive than emergency repairs.

8. DIY Repairs Without Proper Knowledge

While we encourage pool owners to learn about their systems, attempting complex repairs without proper knowledge can lead to further damage.

Solution: Know your limits. Routine maintenance like skimming, vacuuming, and basic water testing is appropriate for DIY, but leave complex electrical, plumbing, or structural repairs to professionals. If you're unsure, consult with a pool service professional.

9. Using a Pool Vacuum Incorrectly

Improper vacuuming techniques can stir up debris rather than removing it.

Solution: Move the vacuum head slowly and methodically across the pool floor. Overlap your strokes slightly and work from the shallow end to the deep end. Make sure the filter is clean before vacuuming, and consider setting your filter valve to "waste" when vacuuming large amounts of debris (just remember to refill the water afterward).

10. Ignoring Pool Chemistry Before Heavy Rain

Rain can significantly alter your pool's chemistry by diluting chemicals and introducing contaminants.

Solution: Before predicted heavy rainfall, check and adjust your pool chemistry, particularly chlorine levels. Consider adding a preventative dose of algaecide. After the rain, retest and readjust your water chemistry as needed.

Conclusion

Proper pool maintenance requires consistency, knowledge, and attention to detail. By avoiding these common mistakes, you'll enjoy cleaner, safer water, fewer repairs, and a longer lifespan for your pool and equipment. When in doubt, don't hesitate to consult with professional pool service providers who can offer guidance specific to your pool's needs and the Canadian climate.

At Viola Speri Pool Services, we're always available to help with maintenance questions or to provide professional service when needed. Contact us today to learn more about our pool maintenance programs.