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Relax Spa Hot Tub Flush Treatment 500ml

Code: RSPA32
  • £14.99
  • (Delivery from £3.95 )
Item in Stock   |   Usually dispatched within 24 hours

Hot tub flush is designed to break down the build up of organic matter known as Bio film. This Bio film can build up on the spa surface and in the pipework, which can harbour bacteria and affect the water quality in your spa.

It is reccommended that your tub should be treated each time, prior to your water is drained and refilled.

Spa & Hot Tub Flush Directions

  • Dosage rate 250ml per 1000 litres of spa water
  • Dosage rate 375ml per 1500 litres of spa water
  • Dosage rate 500ml per 2000 litres of spa water


  • Shut down your spa and remove filter cartridge.
  • Carefully pour required amount of hot tub flush unto your spa skimmer
  • Turn on all the spa pumps, booster pumps and open all jets, continue to circulate for 15 minutes
  • Turn off spa and leave to stand for 15 minutes
  • Re start all pumps, booster pump and open jets for a further 10 minutes
  • Your may experience some foaming at this point.
  • Turn off and drain all the water from the spa, flush jets with a hose pipe to remove any stubborn deposits
  • Replace filter cartridge, refill your spa with fresh water, sanitise and resume normal operation of your spa


  • Concentrated hot tub & spa pipework cleaner
  • Helps breakdown bio film, organic build-up that in pipework that can harbour bacteria
  • Contains Sulfuric Acid
  • Free Delivery on orders over £39.99
  • Postage from £3.95 for smaller orders
  • Express 24hr postage option available
  • 14 day returns
  • International Shipping on non electrical products only
We aim to ship all orders received by 12 pm the same day with the exception of fibreglass fish ponds, Gardeco products & other special order products.
The 24 hr postage option does not include deliveries at weekends or bank holidays.
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