When should you change hot tub water?
Start with the schedule for the spa and treatment system, then consider actual use and water-test history. The familiar three-to-four-month interval does not apply to every system. Persistent water problems deserve a review of testing, filtration and treatment instead of relying on the calendar alone.
Write down the reason for the change. Routine renewal, a treatment-system change and a problem after contamination are different situations; ask your water-care professional which preparation and follow-up each requires.
Plan where the water will go
Before draining an Okotoks property, confirm current disposal requirements with the Town or the authority responsible for your address. Do not assume a street drain, neighbouring property or garden is an acceptable outlet. Tell the authority what treatment products are in the water and ask what conditions apply.
- Choose weather and a time when you can finish and monitor the restart.
- Have the correct cleaning and water-treatment supplies ready.
- Confirm the manufacturer's electrical shutdown and drain instructions.
- Keep the discharge route clear of walking areas where ice could form.
Refill using the instructions for your model
Use the specified filling route and water level. Follow the approved restart and water-treatment sequence; do not energize an empty spa or improvise a priming method. Keep the manual available rather than relying on a video for a different model.
Before a soak, confirm suitable test results, normal circulation and the expected operating temperature. Record the fill date and any error messages. A new fill does not by itself establish that the water is ready to use.
Water changes during an Alberta winter
Arrange professional help if you cannot complete the job safely in freezing conditions. Draining visible water is not winterization: water can remain elsewhere in the system. If the plan is to leave the tub unused, use the separate winterization guide before arranging the work.
Why are the jets weak after refilling?
Tell the technician that the symptom began at the refill. An airlock is one possible explanation, but the model's startup procedure determines the next step. Do not loosen plumbing or repeatedly run a struggling pump based on a generic guide.
Sources and further reading
Sources checked November 11, 2026. Manufacturer examples are not universal procedures; use the current manual for your model.