How to Clean an Intex PureSpa Inflatable Hot Tub
Keeping an Intex PureSpa clean is more than wiping the inflatable shell: the water must remain balanced and sanitized, the S1 or S2 filter cartridges need frequent inspection, and the tub, cover, fittings, and control base require separate handling. Intex warns that a dirty cartridge can restrict flow and trigger an E90 error. This guide covers a routine drain-and-clean for PureSpa Bubble Massage models while leaving chemical dosing, disassembly, and winterizing details to the exact model manual.
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Primary reference: Intex official PureSpa water, filter, and sanitation maintenance guide. Always check the manual for your exact model.
Quick reference
- Filter
- Inspect and rinse daily to weekly; replace damaged or restricted cartridges.
- Drain
- Disconnect power and use the model's drain adapter and approved route.
- Liner
- Use soft spa tools and a mild approved solution; rinse completely.
- Electrical
- Never hose, immerse, or open the control base or protected power plug.
- Restart
- Refill, prime, leak-check, then balance and sanitize before bathing.
What you will need
- The manual for the exact PureSpa model
- Intex spa skimmer, curved wall brush, and scrubber pad or equivalents
- A garden hose and approved drainage route
- Two soft nonabrasive cloths
- Mild soap approved by the manual for shell cleaning
- A bucket for rinsing small fittings
- Correct S1 or S2 replacement filter cartridges
- A spa-water test kit and model-approved sanitizer
Step-by-step instructions
Step 1: Test the water before deciding to drain
Use a spa test kit and compare sanitizer, pH, and other values with the Intex manual. Cloudy water caused by chemistry or a dirty cartridge may sometimes be corrected without a full drain, while persistent contamination, heavy waterline buildup, seasonal storage, or the manual's water-change interval calls for draining. Never mix spa chemicals or guess a dose.
Step 2: Shut down and disconnect electrical power
Turn off heating, bubbles, jets, and filtration, then disconnect the protected power supply as the manual instructs. Keep the plug, ground-fault device, and control base away from drainage water. Allow hot water to cool to a safe temperature before draining or handling the tub.
Step 3: Remove and inspect filter cartridges
Open the cartridge housing according to the model diagram and remove the S1 or S2 cartridges without forcing the threads. Intex recommends inspecting and cleaning cartridges from daily to weekly depending on use. Hose between pleats with moderate pressure, rotate the cartridge, and replace it if pleats stay clogged, frayed, flattened, or odorous.
Step 4: Drain through the approved outlet
Connect the drain adapter and hose in the order shown by the manual and route water to a location permitted by local rules, away from foundations and electrical equipment. Open the tub drain only after the hose is secure. Do not lift a full tub, slash the liner, or let chemically treated water flood plants or storm drains.
Step 5: Remove debris and clean the waterline
Use a mesh skimmer for leaves and a soft cloth or Intex scrubber pad for the waterline. Work with a diluted mild-soap solution only if approved for the liner, then rinse thoroughly. Avoid abrasive pads, household solvents, undiluted bleach, and stiff tools that can scratch or weaken the laminated PVC.
Step 6: Brush the inner wall and floor
Use a curved spa brush on the sidewall and a soft pad on the floor, paying attention to the seat ring, bubble channel, suction fittings, and corners. Do not insert brushes or wire into plumbing ports. Rinse and remove all dirty water with the drain or soft towels so residue is not trapped during refill.
Step 7: Wipe the cover and control-base exterior
Clean the cover top and underside with a soft damp cloth and mild solution where allowed, then dry it open. Wipe only the exterior of the disconnected control base; never hose, immerse, or open it. Check the cord, fittings, seals, and liner for damage before adding water.
Step 8: Reassemble and refill correctly
Close drains, reinstall plugs, housings, and serviceable cartridges with clean seals, and refill to the model's marked level. Do not run filtration or heat dry. Bleed or prime the system as the manual requires, reconnect power only with dry electrical parts, and watch all fittings for leaks.
Step 9: Rebalance and sanitize the new water
Circulate water and add only PureSpa-compatible sanitizer and balancing chemicals in the order and dose specified by their labels and the Intex manual. Keep bathers out until readings are in the approved range. Record the date, inspect cartridges frequently, and keep the cover clean so the fresh water does not immediately collect debris.
Specific cleaning questions
Open a question for a concise answer about stains, odors, safety, frequency, and troubleshooting.