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Welcome to the Healthy Pools Blog

Do you have questions about your pool? Ask our qualified Pool Experts who are on hand to answer questions you might have. Or feel free to browse around and view our existing answers. You can click on the following categories or search through our existing answers by entering keywords into the box below.

Can you use pool chemicals in the spa?

Using pool chemicals in the spa might seem like a good idea. The ingredients are similar, so it shouldn’t be an issue…right?

Although substituting these chemicals might save you a trip to your local BioGuard Approved Retailer, if done incorrectly, will cost you an absolute fortune in maintenance costs.

Of major concern are the quick and significant changes to the pH levels of your spa.

Essentially, when pH levels are too low, the water becomes incredibly acidic and corrosive, damaging your pool and irritating swimmers skin.

Conversely, when pH levels are too high, the water becomes cloudy, chalky and gritty, producing large quantities of scale build up that make for an unpleasant sight and are a pain to fix.

It’s important to note, that you should only use pool chemicals in a spa if specifically advised by a BioGuard Approved Retailer.

All BioGuard products and chemicals should only be used in accordance with the instructions on the packaging.

What are the major differences?

Size and People: Because the ratio of swimmers to water volume in a spa is so different from a pool, the water is more susceptible to sharp spikes and drop-offs in pH levels and organic contamination.

Temperature: Warmer water impacts the way the chemicals react. For instance, the average swimming temperature of the Aussie pool is between 25-28°C, while a spa will sit around 40°C. This will cause erratic pH imbalances and dramatic losses in sanitation if incorrect chemicals are used.

Jets: Circulation helps to disperse the chemicals much easier, but aerates the water. This can change the water balance, particularly pH and total alkalinity.

Water Evaporation: In spas, this happens at a much quicker rate, as they are generally heated.

At BioGuard, we recommend checking your pH levels around three times a week. This needs to sit at around 7.5 on a pH scale of 0-14.

Click here for a previous blog on Weekly Spa Maintenance.

As with any big investment, your spa requires some tender love and care. It’s imperative you keep it clean and well maintained.

Protect your pool and spa now, so you can enjoy it for years to come.

If you have any questions about pool or spa chemicals, don’t hesitate to visit your local BioGuard Approved Retailer.

Find your closest one here: www.bioguard.com.au/stores

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