Winter Hot Tub Care Checklist for the New Year

Max Piggott

January is cold, dark and a great time to use a hot tub. To keep the spa running efficiently and protect it from winter weather, a few regular checks go a long way.

Use this winter hot tub care checklist to keep your spa clean, safe and efficient through the coldest months.

Bubbling hot tub under a timber pergola beside a snow-covered garden in low winter sun

Check and balance the water

Cold weather affects water quality, so keep a close eye on the chemistry.
Make sure you:

  • test the water 2–3 times a week, or after using the spa
  • keep pH at 7.2–7.6 and alkalinity in range
  • keep sanitiser (chlorine or bromine) at safe levels
  • shock the water regularly to keep it fresh

Balanced water protects the equipment and keeps the spa pleasant to use.

Keep the water level steady

More water evaporates when the air is cold and dry.
A low water level can cause:

  • the pumps to run dry
  • the heater to cut out
  • parts to freeze

Top up regularly so everything stays submerged.

Clean or replace the filters

Filters work harder in winter because the spa gets more use and debris breaks down more slowly in cold water.
Once a month:

  • rinse the filters with warm water
  • use a filter cleaning solution
  • replace them if they look worn or damaged

Clean filters keep the water clearer and reduce strain on the pump. Our filter replacement guide explains how long each type of cartridge lasts.

Keep the water temperature steady

Turning the temperature down between uses sounds like a saving, but in winter the heater then has to work hard to bring cold water back up.
Instead:

  • keep the water between 37–40°C
  • don't switch the spa off completely
  • use Economy or Sleep settings only if you are away for several days

A steady temperature avoids long reheats and protects against freezing.

Inspect the cover

The cover is your most important tool for saving energy in winter.
Check for:

  • cracks or tears in the vinyl
  • waterlogging (a heavy cover insulates poorly)
  • heat escaping along the seams

If your cover is worn out, a new one can make a real difference to running costs.

Look after the area around the spa

Winter weather can make the route to the spa slippery.
Keep the area:

  • clear of snow and ice
  • dry and non-slip (rubber mats help)
  • well lit for evening use

A safe path means you can use the spa whenever you like.

Be ready for a power cut

In freezing weather, a spa cools quickly without power.
If the power goes off:

  • keep the cover on to hold in heat
  • avoid opening the spa unless you need to
  • if a long outage is expected, call us on 01293 824094 for advice before adding or draining water
  • once the power is back, check the system is running again straight away

If you live somewhere prone to long power cuts, consider a backup generator or extra cabinet insulation.

Do a mid-winter check

The start of the year is a good time for a quick inspection.
Look out for:

  • unusual noises
  • weaker jet pressure
  • temperature swings
  • leaks around fittings or pumps

Sorting small problems early avoids expensive repairs later.

Enjoy the winter

A well-maintained hot tub is more efficient, safer and more enjoyable in winter. Keep up these simple checks and you can look forward to warm soaks on cold nights all season.

Canadian Spa Company offers a full range of maintenance products, filters, accessories and energy-efficient hot tubs designed for Canadian winters.

Keep your water clear

Find the right filters and water-care chemicals, or book a service.

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