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Recommended Hot Tub Care Maintenance Routine


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Recommended Hot Tub Care Maintenance Routine


from spa-care.co.uk

Daily :

Check sanitiser level & dose as required
Check pH level & dose as required
Clean water line with Waterline Cleaning Paste

Weekly:

Oxidise hot tub with Non Chlorine Shock or SpaGuard
SpaLite.
Add No Foam to control foaming
If in area of high calcium hardness add Anti Scale to prevent scale deposits
hot tub products

Monthly:

Clean filter cartridge using Cartridge Cleaner or SpaGuard
FilterBrite.

Periodically:

Due to the build up of Total Dissolved Solids (TDS) the hot tub will need completely draining & refilling. There are no hard and fast rules as to when this should be done but the following formulation seems to work well in practise:

Hot tub litres divided by daily bathers divided by 12 = days between draining & refilling

Example : 1200 litres divided by
2 divided by 12 = 50 days.

Water Balance

By balancing the water you are creating the right conditions for bather comfort, chemical efficiency & equipment
protection. A number of factors are involved in balancing the water but the main areas are : 

Calcium Hardness,
Total Alkalinity & pH

Calcium Hardness

This will vary depending on where you live and where your water supply comes from and it is very important that the
correct level is established. As a guide, soft water tends to be low in Calcium Hardness and hard water more
obviously is high.

The level should be checked each time you top-up or refill the hot tub with fresh water. The ideal
Calcium Hardness level for hot tubs is between 100 – 200mg/l.

When it is below this level the water could be corrosive which could lead to damage of plant equipment such as the
heater. If this is the case apply Hardness Increaser to achieve the correct level.

When it is above this level the water has a tendency to appear cloudy and also calcium can precipitate out and
deposit itself on the tub shell finish, heater element, cartridge element & within
pipe work. If this is the case apply No Scale to achieve the correct level.

Total Alkalinity

TA acts as a buffer to prevent pH change and if the level is too low the pH will fluctuate widely, if too high pH
adjustment will be difficult to effect. The ideal Total Alkalinity for hot tubs is between 125 – 150mg/l. 

When it is below this level not only will pH fluctuate but the water could be corrosive, cause damage to equipment and be
uncomfortable to bathers. Use Total Alkalinity Increaser to raise levels. 

When it is above this level not only is pH difficult to adjust but also the water could be scale forming and clarity
impaired. Use pH Minus to reduce levels.

pH Levels

Regular pH checks are an essential part of your tub maintenance routine using Test Strips.

The pH scale has a range of 0 – 14 with 0 being very acidic, 7 being neutral & 14 being very alkali. 

For tubs the ideal range is between 7.4 – 7.6, this being slightly alkaline to protect the hot tub and prevent equipment corrosion. This
also provides the most comfortable conditions for bathers and good sanitiser efficiency.

If the level is below 7.4 use Soda Ash to raise the level.

If the level is above 7.6 use Dry Acid to reduce the level.

Sanitising

The sanitising of your hot tub water is necessary to kill bacteria and help in the prevention of algae growth. The level
should be checked regularly using Test Strips and can be in the form of Chlorine or Bromine

Bromine

This is an effective hot water sanitiser and ideally suited to hot tubs.
It is effective over a wide pH range and has little odour.  Comes in tablet form making it easy to apply and avoids having to dose everyday.

The ideal Bromine level is between 3 – 6mg/l.

Chlorine

This is available in granule form which are rapid dissolving and therefore a good
sanitiser. It has little effect on the pH levels.

The ideal Chlorine level is between 3 – 5mg/l.

Oxidising

It is necessary to oxidise your hot tub weekly using Non Chlorine Shock. 

  • It destroys odours and wastes such as perspiration, cosmetics and body oils.
  • Restores sparkle.
  • Increases bather comfort.

 

Hot Tub Speciality Products.

Other products also help keep your hot tub clean, clear and enhance your bathing pleasure.

Control of Foam

lady soaking in a hot tubThe rapid circulation & aeration of hot tub water can cause unsightly foam to appear on the waters surface
especially when oils and lotions are within the water. No Foam used regularly will prevent and control excess foaming.

If excessive foaming is a continuous problem drain the tub and refill with fresh water.

Ensuring Water Clarity

Discolouration or cloudiness of the water is often caused by minute particles suspended in the hot tub water which
are too small for the filtration system to remove.

Soaps, cosmetics, body oils and greases can all cause dull, cloudy water.
Encourage hot tub users to shower before getting into the hot tub to minimise these problems.
 

Clarifier used once a week will assist in the removal of suspended matter via the filtration system thus restoring and
maintaining the water clarity.

Make sure that you follow the routine and your spa/hot tub will be as new all the time.

 

A
few simple routines will keep your water sparkling clean and
your
hot tub in excellent condition – Hot Tub Chemicals Maintenance


 

 

 

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