Help & Advice

You can find in this section technical support guides and information to help you get the best out of your pool or spa. Read our Help & Advice here

Troubleshooting

Troubleshooting problems in swimming pools and spas. Read our Troubleshooting Guides here

Fast Delivery

Delivery is FREE for all orders over the value of £75.00 and £7.50 for orders under this value to mainland UK. Read more about our delivery policy here

Hassel Free Returns

In the unlikely event you need to return your parcel, read our returns policy here

Acceptible chemical level guidelines

Control

Ideal

Min

Max

Comments

pH

7.4

7.2

7.6

 

Free Chlorine

1.5 to 3ppm

1.0ppm

10ppm

Shock dose 

Combined Chlorine

 

 

0.5ppm

Absolute max 1.0 ppm

Total Alkalinity

100ppm

80ppm

150ppm

 

Calcium hardness

275ppm

75ppm

500ppm

 

Cyanuric Acid

30ppm

 

60ppm

Not always used

Sulphates

 

 

300ppm

New Pools 200ppm

Chlorides

 

 

600ppm

 

 

The measurement of chemical levels and evaluation of Pool and Spa waters is often referred to as the Water Balance. e.g. :- If the pH level is out of range then the effectiveness of the Chlorine will be compromised.

Click here for detailed description of Water Balance