Recommended Hot Tub Care Maintenance Routine
Check sanitiser level & dose as required
Clean filter cartridge using Cartridge Cleaner or SpaGuard
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
By balancing the water you are creating the right conditions for bather comfort, chemical efficiency & equipment
This will vary depending on where you live and where your water supply comes from and it is very important that the
The level should be checked each time you top-up or refill the hot tub with fresh water. The ideal
When it is below this level the water could be corrosive which could lead to damage of plant equipment such as the
When it is above this level the water has a tendency to appear cloudy and also calcium can precipitate out and
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
When it is below this level not only will pH fluctuate but the water could be corrosive, cause damage to equipment and be
When it is above this level not only is pH difficult to adjust but also the water could be scale forming and clarity
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
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.
The sanitising of your hot tub water is necessary to kill bacteria and help in the prevention of algae growth. The level
This is an effective hot water sanitiser and ideally suited to hot tubs.
The ideal Bromine level is between 3 – 6mg/l.
This is available in granule form which are rapid dissolving and therefore a good
The ideal Chlorine level is between 3 – 5mg/l.
It is necessary to oxidise your hot tub weekly using Non Chlorine Shock.
Hot Tub Speciality Products.
Other products also help keep your hot tub clean, clear and enhance your bathing pleasure.
Control of Foam
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
Soaps, cosmetics, body oils and greases can all cause dull, cloudy water.
Clarifier used once a week will assist in the removal of suspended matter via the filtration system thus restoring and
Make sure that you follow the routine and your spa/hot tub will be as new all the time.
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