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Swimming pool chemical supplier Devon, ISCA Pools specialise in swimming pool installation, supply and construction.

Pool Trouble shooting Guide.The Problems ?? -
Cause, Possible reason, Solutions, Treatments. What chemicals do I use ??

Recommended Pool Chemical Levels

PROBLEM
Possible Cause Possible Reason
LINK
 

1.

Cloudy water

Build up of dirt and pollution or suspended particles

Start of algae growth

Over stabilisation

Insufficient Chlorine or ineffective pool filtration

Poor filtration

Over stabilisation. Chlorine ineffective

Link to Solutions /

Treatments

2.

Unpleasant water

Sore eyes / throat, Itching skin

High combined chlorines

Water too acid or alkaline

Free Chlorine levels too low

pH levels too low or too high

Link to Solutions /

Treatments

3.

Chlorine level difficult to maintain

Sunlight destroys Chlorine

Build up of pollutants

High water temperature

Chlorine not stabilised

Insufficient Chlorination

Organisms multiply more rapidly

Link to Solutions /

Treatments

4.

No Chlorine reading

Chlorine level may be too high

Chlorine level may be too low

High Chlorine content bleaches reagent in test tablet

Insufficient Chlorine

Link to Solutions /

Treatments

5.

pH too low

Low pH of local mains water

use of acidic chlorine donors

Insufficient pH increaser being added

Link to Solutions /

Treatments

6.

pH too High

High pH of local mains water

Salts leached from concrete pools

Insufficient pH Reducer being added

Self correction period of time

Link to Solutions /

Treatments

7.

pH locked

Too high levels of bicarbonate Topping up from mains water can increase alkalinity in hard water areas

Link to Solutions /

Treatments

8.

Low Alkalinity

Bicarbonates reduced by dilution particularly in soft water area Mains water has too low level of bicarbonates

Link to Solutions /

Treatments

9.

Pool water feels slimy

Algae growing Insufficient chlorination and pool wall brushing

Link to Solutions /

Treatments

10.

Dirt on the pool wall at waterline

Build up of fat from sun oils or cosmetics Irregular cleaning of surfaces

Link to Solutions /

Treatments

All efforts have been made to ensure that the above information is correct, but can only be considered as a guide to the related problems.

You are always advised to check / refer to all the instructions / labeling from your chemical supplier.




























ISCA Pools, Venn Ottery, Ottery St. Mary, Devon. EX11 1RY Tel: 01404 811200 E-mail: info@swimmingpoolinstallation.co.uk
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