Natural Spa Clarifier 225 mL

You are here: Shop > Natural Spa Clarifier 225 mL

Specially formulated for use in hot tubs and spas, Pennosan’s Natural Spa Clarifier is made using the same exacting standards as our Natural Pool Clarifier. A small amount of Natural Spa Clarifier added to the spa pool before use will inhibit scum lines and prevent staining of the spa walls, whilst keeping your spa pool clean and crystal clear. As well as being an excellent clarifier, chitosan is naturally anti-bacterial, reducing the demand on sanitisers. All our natural clarifiers are totally biodegradable and safe to use. When used according to recommended guidance, they will cause no harm to humans, animals or the environment.

  • Naturally antibacterial, biodegradable and safe to use
  • Enhances performance and reduces the demand on sanitisers
  • Binds to soluble grime and cosmetics for easy removal by the filters
  • Removes dirt and dust particles
  • Soaks up grease and oily particles e.g. tanning products, to promote early removal and prevent staining
  • Gathers up and removes algae and other micro-organisms
  • Binds to and removes dissolved metals e.g. copper and iron

£8.20 (including VAT)


Before using this product, make sure the spa or hot tub is operating at pH 7.4 or below. For best results, the Natural Spa Clarifier should be diluted in clean water before treating the spa or hot tub.

Use the dose recommended in the table below to keep your spa or hot tub clear. Use three times the recommended dose for particularly cloudy water or if tanning products such as fake tan or suntan lotion are being used.

For a typical 1000L (220 gallon) spa, add 5-10ml (1-2 teaspoons) of Natural Spa Clarifier to about half a jug full of clean water (200ml), stir and then pour evenly over the surface of the spa. For best results, run the spa for a few hours after application.





Weekly treatment

Up to 1,000

Up to 220






440 15-20ml

This product is safe to use and good for the environment. It contains chitosan, a natural flocculating agent that binds to any dirt and oily particles present in spa water, making them easy to remove in the spa filter systems. Our Natural Spa Clarifier will be removed when the filter is cleaned and will break down naturally and safely, so there are no disposal issues and no impact on the environment.

Adding Natural Spa Clarifier to clean spa water before use can help prevent spa staining from tanning products. Using this product on a regular basis will keep the spa water clean, reduce demand on chemical sanitisers and eliminate scum lines/tide marks.



We take no responsibility where this product is not used according to guidance. Not for use in cleaning drinking water. Do not add directly to streams, rivers, lakes, ponds, and natural habitats.

Show Toolbar
  • Show Caption
  • Hide Thumbnails
  • Show Categories
  • Play Slide Show
  • Display in Full Screen
  • Hide Toolbar
Pennosan Natural Spa Clarifier 225ml
  • Pennosan Natural Spa Clarifier 225ml
    Pennosan Natural Spa Clarifier 225ml

Return to the online shop.