Darlly Pure-Stream

Ion exchange resin pre-filter

Help & Advice
The Darlly Pure-Stream is an ion exchange resin pre-filter to give your spa or hot tub softer, safer purer water. Ion exchange removes unwanted calcium and magnesium and replaces it with soft sodium instead.

Hard water is not good for your spa. As well as uncomfortable scale on the wall of your tub, white calcium marks on your jets, and limescale build up in your filter it also damages the internal fittings, especially the heater. Eventually limescale will become present in the tub itself in the form of "calcium flakes".

  • Attach your garden hose to the filter and fill your spa using a slow to medium flow rate. The slower the fill the more effective the process.
  • It is important the filter remains wet so replace the end caps when finished.
The Pure-Stream filter is suitable for 8,000 gallons of water therefore if your spa holds 200 gallons of water it will last approximately 40 fills.
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