Scale & Stain Controller

SKU: CH0021
Sale price £13.99
In Stock
  • Prevents and removes scale build-up from hard water
  • Effective against metallic stains from oxidisation
  • Helps keep pool & hot tub internal components clean
  • Eliminates and controls stains caused by scale
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Terms and conditions

FREE Standard Shipping

On orders above £20. Usually delivered within 4 working days.

Additional Details

The Clearwater® Scale & Stain Controller will prevent and help remove scale deposits caused by mineral precipitation which can build up rapidly on pool or hot tub surfaces due to relatively high water temperatures.

It is essential to manage scale build‑up in hard water areas and this liquid descaler is also perfect for the removal and control of metallic stains that can occur when metallic compounds start to oxidise due to prolonged exposure to water and air, or certain chemical components.

As with all chemical products, instructions and warnings should be followed very carefully.

Clearwater Awards

Multi Award-Winning

Our starter kits have won awards in 2018, 2019 & 2023

Clearwater Reviews

Average 4.6/5 Review Rating

From over 90,000 verified reviews from online stockists

Clearwater Partnerships

Members of BISHTA

The British and Irish hot tub and spa association.

Clearwater Regulations

EU Guidelines & Regulations

Our products adhere to all EU Guidelines & Regulations



  • 5 stars: 11 (73%)
  • 4 stars: 3 (20%)
  • 3 stars: 1 (7%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
G
Gammo
Scale control

Delivered quickly, works great exactly as described

S
Snoops
A Quality product worth the time and effort

This seems to do the job, I followed the instructions as it said and have seen a vast improvement in water quality. There's no doubt about it, I will be buying more in the future as needed. If you have hard water like we do I recommend you get this especially if like us you leave the tub working throughout the year.

S
Sigitas
Recommended seller

Thanks recommended

S
S.J.R
10/10 great stuff

Easy to use & works great .
Definitely recommend
10/10

F
Francel
I so wish I'd seen this before it's amazing!

Brilliant

M
Michelle

seems to work really well

R
Robin

First time using as appears to ve helping keep water clear

J
John

Only used once and seems too be working ok Only had hot tub on once since put it in

M
Mrs

Good keeps the scale away

w
wendy

Does what it says it should.

E
Elaine

All good stuff to look after your spa

V
Victoria

Excellent

G
Gary

A great product that tackles the toughest of stains with easy.

M
Michael

No quite what I expected

S
Sharon

Great product stains from false tan (off the kids) with a good scrub these came off easy.