How to Store Your Inflatable Spa Safely in Winter

A portable spa gives you the best kind of flexibility: warm water when you want it, and your outdoor space back when you do not. But packing it away too quickly after the last soak can leave you with mould, a musty smell, damaged fittings or a spa that is far harder to set up next season. Knowing how to store an inflatable spa safely means giving it one proper clean, a complete dry and a protected place to rest.

For many Australian households, seasonal storage makes perfect sense. You might be freeing up a courtyard before a move, reclaiming a deck for summer entertaining, or putting the spa away while travelling. A little care at pack-down protects the convenience you bought it for in the first place.

Choose the right time to pack it away

Do not start draining your spa straight after use. Turn the heater and bubble system off, unplug it from the power point and allow the water to cool first. Hot water is uncomfortable to work around, and giving the unit time to cool makes the process safer and easier.

Pick a dry day if possible. Inflatable spa material can be dried indoors, but sunshine and moving air make the job much simpler. Avoid starting late in the afternoon when dew is likely to settle on the liner before you have finished packing it.

If you are only going away for a week or two, full storage may not be necessary. Maintaining water balance, keeping the cover fitted and arranging for someone to check the spa can be the more practical option. For longer breaks, winter shutdowns or a house move, draining and storing it properly is the better call.

How to store an inflatable spa safely: start with a full drain

Before draining, check your spa manual for its recommended procedure and connection points. Remove any accessories that are designed to come off, such as the filter cartridge, headrests or removable cover components.

Attach a hose to the drain outlet if your model allows it, then direct the water to a suitable drainage point. Do not send chemically treated spa water towards garden beds, fishponds or areas where it may pool against your home. Be mindful of local council requirements and avoid letting water run across a neighbour's property or create a slippery path on the footpath.

Once the main body is empty, there will still be water in the floor, pipework and fittings. Gently tip or guide remaining water towards the drain, following the manufacturer’s instructions. A clean towel can help absorb small amounts left in the base. Never force water out by aggressively twisting the liner or lifting the spa by its connections.

Drain the pump and plumbing carefully

The pump unit deserves extra attention because trapped water can cause problems in storage, especially in cool areas. Disconnect components only as directed in the manual, drain residual water and dry external fittings with a soft cloth.

Do not immerse the control box or pump unit in water. Keep its electrical connections dry, clean and protected from knocks. If you are unsure whether a component can be removed or how to drain it, stop and refer to the instructions rather than guessing. This is one area where a few extra minutes can prevent an avoidable repair.

Clean the liner before it becomes a storage problem

A spa that looks clean can still carry body oils, sunscreen residue and a fine film around the waterline. If that residue is packed away damp, it can become an unpleasant surprise when you unpack the spa months later.

Use a soft, non-abrasive cloth or sponge with fresh water and a mild cleaner approved for your spa material. Pay close attention to the waterline, seams, floor and around air valves. Avoid harsh household cleaners, solvents, abrasive scourers and concentrated bleach. They can dry out or weaken the surface, affect its colour and compromise the material over time.

Rinse away all cleaning residue. This matters more than it seems: leftover cleaner can make surfaces tacky, attract dirt or create foam issues when the spa is refilled.

Take out the filter cartridge and inspect it separately. If it is nearing the end of its useful life, replacing it before the next setup is often easier than storing a used filter. If you plan to reuse it, clean it thoroughly, allow it to dry completely and store it in a sealed, dry container.

Dry every surface, inside and out

Moisture is the enemy of long-term storage. Even a small amount trapped in a fold can encourage mildew, create odours and leave marks that are difficult to remove. After wiping down the liner, leave the spa inflated with its cover off in a dry, well-ventilated area until every section is dry to the touch.

Run a dry towel over the inside, outside, base and around seams. Check the underside as well, particularly if your spa sits on a ground mat. Let the mat dry completely before rolling it up.

A fan can speed up drying if the weather turns or you are working in a garage. Avoid using a heat gun, hairdryer on high heat or any direct high-temperature source. Excessive heat can distort inflatable spa material and seals.

Do not rush the deflation

Only deflate once the liner is fully dry. Open the air valve and let the spa release air gradually. If your model includes a deflation function, use it according to the manual. As it softens, smooth the walls so air can escape without putting strain on seams.

Keep sharp objects well away from the work area. Remove loose pebbles, sticks and tools from the ground before folding. A puncture picked up during pack-down is a frustrating way to begin your next spa season.

Fold and pack without stressing the material

Inflatable spa liners are made to fold, but hard creases and overly tight packing are not ideal. Fold the material loosely along its natural panels where possible. Do not force it into a box or bag that is too small, and do not place heavy objects on top once it is packed.

If the original carton is clean, dry and in good condition, it can be useful for storage. Otherwise, a large storage bag or lidded plastic tub keeps dust and pests away. Make sure the liner is bone dry before sealing it in a container. A sealed tub protects against moisture from outside, but it also traps moisture already inside.

Pack the cover, ground mat, hose adapters and accessories together where practical. Put smaller fittings in a labelled bag so they do not disappear into the shed. Keep the pump unit protected with padding or its original packaging, rather than allowing it to move around against hard parts.

Find a dry, stable storage spot

The best storage location is dry, shaded, clean and reasonably temperature-stable. An indoor cupboard, spare room, dry garage or well-ventilated shed can all work. Keep the packed spa off a concrete floor if the area becomes damp, using a shelf, pallet or sturdy storage rack instead.

Avoid places exposed to direct sun, extreme heat or ongoing humidity. Australian garages and sheds can become very hot in summer, particularly under metal roofing. Long periods of high heat may affect the liner and plastic components, so an indoor spot is preferable if available.

Also think about pests. Rodents can chew soft materials and nesting insects may find a folded cover or box appealing. A sealed storage tub offers more protection than a loose bag in the corner of a shed. Check the storage area occasionally, especially if the spa will be packed away for several months.

Before you set it up again

When it is time to bring the spa back out, do not inflate it and fill it immediately. Unpack it in a clean area and inspect the liner, seams, valves, hoses, power cable and pump housing for damage or pest activity. Allow the material to return to room temperature if it has been stored in a cold space, then inflate gradually.

Check that the ground mat is clean and that your chosen location is level, stable and clear of sharp debris. Fit a clean filter, fill the spa, test the functions and balance the water before the first soak. This simple check gives you confidence that your portable spa is ready for the relaxing part.

A portable spa is designed around flexibility, not permanent commitment. Store it dry, pack it with care and choose a protected spot, and you can enjoy that same easy setup when your space, schedule and next spa night call for it.