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Product Safety
Causes serious eye irritation. May intensify fire; oxidiser. Very toxic to aquatic life with long lasting effects.
Danger
  • Causes serious eye irritation.

  • Harmful if swallowed.

  • May cause respiratory irritation.

  • May intensify fire; oxidiser.

  • Use biocides safely. Always read the label and product information before use.

  • Very toxic to aquatic life with long lasting effects.

  • Warning! Do not use together with other products. May release dangerous gases (chlorine).

Clearwater CH0019 1 kg Multifunction Chlorine Tablets, 4-in-1 Dispenser Tablets (Sanitiser, Stabiliser, Algaecide and Clarifier) for Pools and Hot Tubs, 50 x 20 g, White

4.6 4.6 out of 5 stars 16,935 ratings
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RRP: £19.99
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Purchase options and add-ons

Brand Clearwater
Item weight 2.43 Pounds
Item form Tablet
Product benefits Controls Algae
Number of items 1

About this item

  • 4-IN-1 TABLETS (50 X 20G): sanitise and stabilise your water whilst reducing/preventing algae growth and clearing cloudy water
  • EASY TO USE: by placing the tablets in a floating dispenser or chlorine feeder (such as ChemConnect) for slow release rather than being applied directly to water
  • SLOW RELEASE: chlorine tablets will slowly erode over 3-5 days for long lasting application
  • GREAT FOR HOT TUBS AND POOLS: these chemicals are designed to be used with hot tubs, paddling pools and above ground pools
  • CLEAR INSTRUCTIONS PROVIDED: on the packaging for easy-to-follow guidance and hassle-free application
  • BISHTA APPROVED MEMBER: Clearwater is a BISHTA approved member and recommended by brands such as Bestway and Lay-Z-Spa for reliable, safe and high-quality water treatment
  • UK SUPPORT TEAM: Clearwater provides a dedicated, friendly UK customer support team to assist you with any queries you may have

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This item: Clearwater CH0019 1 kg Multifunction Chlorine Tablets, 4-in-1 Dispenser Tablets (Sanitiser, Stabiliser, Algaecide and Clarifier) for Pools and Hot Tubs, 50 x 20 g, White
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From the brand


From the manufacturer

multi functional tablets chlorine sanitiser clarifier clear water swimming pool hot tub
multi functional tablets chlorine sanitiser clarifier clear water swimming pool hot tub

4-in-1 Multi Functional Tablets

Clearwater Multi-Function Chlorine Tablets are an incredibly simple way to maintain clear and hygienic pool or hot tub water. These multi-function chlorine tablets are designed for use with floating dispensers or the Lay-Z-Spa ChemConnect. They will slowly erode over a period of 3 to 5 days, depending on the amount of water flowing over them.

These multi-function chlorine tablets are an easy and convenient way of keeping pool and hot tub water clean. As well as containing chlorine, which kills bacteria and other organisms by disinfecting water, the tablets also contain an algaecide solution that prevents the growth of algae. The chlorine tablets also contain a water clarifier. Some debris and particles that find their way into water, such as dead skin and algae, are too small to be trapped by the filter system. Clarifier contains flocculants, which bind particles together so that a filter can trap them, producing clean and sparkly water.

multi functional tablets chlorine sanitiser clarifier clear water swimming pool hot tub
multi functional tablets chlorine sanitiser clarifier clear water swimming pool hot tub

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Clearwater CH0019 1 kg Multifunction Chlorine Tablets, 4-in-1 Dispenser Tablets (Sanitiser, Stabiliser, Algaecide and Clarifier) for Pools and Hot Tubs, 50 x 20 g, White


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Clearwater CH0019 1 kg Multifunction Chlorine Tablets, 4-in-1 Dispenser Tablets (Sanitiser, Stabiliser, Algaecide and Clarifier) for Pools and Hot Tubs, 50 x 20 g, White
Clearwater CH0019 1 kg Multifunction Chlorine Tablets, 4-in-1 Dispenser Tablets (Sanitiser, Stabiliser, Algaecide and Clarifier) for Pools and Hot Tubs, 50 x 20 g, White
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Price-38% £12.34
RRP:£19.99
£17.99£19.95£10.29£11.98£12.45
Delivery
Get it as soon as Tuesday, Jan 28
Get it as soon as Tuesday, Jan 28
Get it as soon as Friday, Jan 24
Get it 27 – 28 Jan
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Product Safety

This product is subject to specific safety warnings
  • Causes serious eye irritation.

  • Harmful if swallowed.

  • May cause respiratory irritation.

Important information

Directions:

To use the product, place the tablets in a floating dispenser or chlorine feeder for slow release. The tablets will slowly erode over 3-5 days for long-lasting application. The product is designed to be used with hot tubs, paddling pools and above ground pools. Clear instructions for use are provided on the packaging.

Customer reviews

4.6 out of 5 stars
16,935 global ratings

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Customers say

Customers find the product effective in keeping hot tub water clear and clean. They find it easy to use with clear instructions. Many consider it a good value for money and a good purchase. However, some customers have differing opinions on chlorine levels and dissolve rate.

AI-generated from the text of customer reviews

327 customers mention ‘Functionality’318 positive9 negative

Customers are satisfied with the product's performance. They say it works well to keep their hot tub water clear and clean. The product is described as a good value, with an algaecide included.

"...Good quality product with the added bonus of including algaecide to stop the green algae appearing...." Read more

"I am incredibly impressed with the quality of this product...." Read more

"...It's been 3wks now and so far they are working a treat...." Read more

"...connect on my layzspa and set on 2 clicks, my hot tub now looks after itself PH and Chlorine levels are perfect , just need to check when a new..." Read more

175 customers mention ‘Water clarity’175 positive0 negative

Customers appreciate the product's ability to keep water clear and clean. They mention it keeps the hot tub fresh and clean, and stops algae from forming. The bottom of the pool doesn't stain easily, and the water monitor keeps it at the perfect level.

"...Popped these in the floater I already had. Perfectly clear water...." Read more

"...My water has stayed clear , no slime and only need to use one tab approx every 3 days ." Read more

"...Not tested the chlorine level but it keeps the water nice and clean." Read more

"...The water has remained clear and no swimming bugs. It has a slight chlorine smell so all good...." Read more

170 customers mention ‘Ease of use’170 positive0 negative

Customers find the product easy to use. They say it comes with clear instructions and is simple to install into a hot tub. It's quicker to use than granules and prevents the bottom of the pool from staining.

"...They are easy to use with a dispenser and only have to top up every week or two...." Read more

"...Perfectly clear water. So much easier as well I put in two to start off with but put in 4 and got the correct levels. Take a while to dissolve...." Read more

"...So easy to use no faffing with powders or ph ups n down it’s pretty spot on every day ready to go ...." Read more

"Easy to use" Read more

140 customers mention ‘Value for money’127 positive13 negative

Customers appreciate the value for money. They say it's good value for money and easy to use, using only a cheap floating dispenser.

"...Much easier than using seperate chemicals and good value for money." Read more

"...Great value for money" Read more

"The real thing ! As there can be dupes on here , amazing price as I was paying £20 for 1kg and there is 5kg in here ...." Read more

"Great value" Read more

61 customers mention ‘Longevity’50 positive11 negative

Customers like the product's longevity. They say it dissolves slowly, stays in form, and lasts about 3 days in their hot tub. The tabs are small but strong, and the spa was at the perfect chlorine strength after 2 hours.

"Got these for an ice bath and the tablets last around 7-10 days. Not tested the chlorine level but it keeps the water nice and clean." Read more

"Great value. Will last ages" Read more

"...hot tub water nice & clean & stops any algae from forming, they last a while before they need to be replaced dissolving slowly...." Read more

"Small tabs, but strong" Read more

53 customers mention ‘Hot tub use’53 positive0 negative

Customers find the product useful for maintaining hot tub water quality. They say it's essential for keeping the water clean and free from algae. The tablets are also suitable for swimming pools and lazy spas.

"Used in a wood fired hot tub, keeps the water for a week in good condition." Read more

"These tablets/pellets are great for keeping your hot tub water nice & clean & stops any algae from forming, they last a while before they need to..." Read more

"Good for the swimming pool" Read more

"brilliant for the pool" Read more

76 customers mention ‘Chlorine levels’53 positive23 negative

Customers have mixed reviews about the chlorine levels. Some find the product great for maintaining hot tub chlorine levels, especially when the tub is less used. They say it keeps the levels steady and gets the ideal chlorine, PH, and alkalinity set. Others mention that the chlorine levels are a touch high, the pH strips always show no free chlorine when just using these tabs, and they had to add extra chlorine on days the pool was used.

"...For ongoing management and maintenance of chlorine, they definitely do the trick!" Read more

"...It has a slight chlorine smell so all good. The pool has a filter pump which goes on every other day and a cover which rests on the water to help..." Read more

"...bestway floater and even on the most closed aperture it tends to over clorinate and I have to take it out occasionally...." Read more

"...set on 2 clicks, my hot tub now looks after itself PH and Chlorine levels are perfect , just need to check when a new tablet is required which us..." Read more

49 customers mention ‘Dissolve rate’19 positive30 negative

Customers have mixed reviews about the tablets' dissolve rate. Some find them easy to use and dissolve well over a number of days in an adjustable dispenser. Others mention the tablets take a while to dissolve, don't fully dissolve, and leave grains behind at the bottom of the pool.

"...It does take 3-5 days for the chlorine to dissolve, so wouldn’t recommend using these for the initial dose as the water tends to benefit from a..." Read more

"...The dissolve over time and my 3m x 2m pool never needed any additional chemicals to balance...." Read more

"...Take a while to dissolve. I’ve had to bag the tub as the cupboard they were in smelt very strong of chlorine. Great value for money" Read more

"...are handy to put in the floating dispenser but they can take up to 3 days to dissolve. I’ve started putting 2 in together." Read more

They work as advertised.
5 out of 5 stars
They work as advertised.
I brought these to treat a 12ft above ground pool. It's been 3wks now and so far they are working a treat. I'm using them in a floating holder, when I test the chemical levels all 4 are ok with only 1 slightly high the free chlorine. The water has remained clear and no swimming bugs. It has a slight chlorine smell so all good. The pool has a filter pump which goes on every other day and a cover which rests on the water to help warm the water using the sun. All good thank you.
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Top reviews from United Kingdom

  • Reviewed in the United Kingdom on 6 November 2024
    Pattern Name: SingleStyle Name: 1 kgVerified Purchase
    These are great for keeping my pool ph and chlorine balanced. They are easy to use with a dispenser and only have to top up every week or two. The dissolve over time and my 3m x 2m pool never needed any additional chemicals to balance. Good quality product with the added bonus of including algaecide to stop the green algae appearing. Much easier than using seperate chemicals and good value for money.
  • Reviewed in the United Kingdom on 12 January 2025
    Pattern Name: SingleStyle Name: 1 kgVerified Purchase
    I am incredibly impressed with the quality of this product. The simple convenience of using these to keep on top of the chlorine levels in my hot tub is enough to ensure that I will purchase them again.

    No measuring is required, but would definitely recommend using a tablet dispenser specific to your hot tub or pool as it allows slow release of the chlorine.

    It does take 3-5 days for the chlorine to dissolve, so wouldn’t recommend using these for the initial dose as the water tends to benefit from a shock treatment (which these tablets won’t necessarily offer). For ongoing management and maintenance of chlorine, they definitely do the trick!
  • Reviewed in the United Kingdom on 23 August 2024
    Pattern Name: SingleStyle Name: 1 kgVerified Purchase
    Bought these as I was feed up with mixing the liquids. Popped these in the floater I already had. Perfectly clear water. So much easier as well I put in two to start off with but put in 4 and got the correct levels. Take a while to dissolve. I’ve had to bag the tub as the cupboard they were in smelt very strong of chlorine. Great value for money
    One person found this helpful
    Report
  • Reviewed in the United Kingdom on 17 September 2024
    Pattern Name: SingleStyle Name: 1 kgVerified Purchase
    I Have used it over a number of years and it helps
  • Reviewed in the United Kingdom on 26 August 2024
    Pattern Name: SingleStyle Name: 5 kgVerified Purchase
    The real thing ! As there can be dupes on here , amazing price as I was paying £20 for 1kg and there is 5kg in here . So easy to use no faffing with powders or ph ups n down it’s pretty spot on every day ready to go . My water has stayed clear , no slime and only need to use one tab approx every 3 days .
  • Reviewed in the United Kingdom on 27 November 2024
    Pattern Name: SingleStyle Name: 1 kgVerified Purchase
    Got these for an ice bath and the tablets last around 7-10 days. Not tested the chlorine level but it keeps the water nice and clean.
  • Reviewed in the United Kingdom on 30 July 2024
    Pattern Name: SingleStyle Name: 5 kgVerified Purchase
    I brought these to treat a 12ft above ground pool. It's been 3wks now and so far they are working a treat. I'm using them in a floating holder, when I test the chemical levels all 4 are ok with only 1 slightly high the free chlorine. The water has remained clear and no swimming bugs. It has a slight chlorine smell so all good. The pool has a filter pump which goes on every other day and a cover which rests on the water to help warm the water using the sun. All good thank you.
    Customer image
    5.0 out of 5 stars They work as advertised.
    Reviewed in the United Kingdom on 30 July 2024
    I brought these to treat a 12ft above ground pool. It's been 3wks now and so far they are working a treat. I'm using them in a floating holder, when I test the chemical levels all 4 are ok with only 1 slightly high the free chlorine. The water has remained clear and no swimming bugs. It has a slight chlorine smell so all good. The pool has a filter pump which goes on every other day and a cover which rests on the water to help warm the water using the sun. All good thank you.
    Images in this review
    Customer image Customer image
    Customer imageCustomer image
    2 people found this helpful
    Report
  • Reviewed in the United Kingdom on 25 December 2024
    Pattern Name: SingleStyle Name: 1 kgVerified Purchase
    Easy to use