If you ever owned a hot tub a short amount of time, then you’ve probably experienced this interesting phenomenon. You walk out to your garden, pull the cover off your hot tub, and the water is green!

This can be a shocking turn of events and can be genuinely scary, especially if you’ve never encountered such a problem before. However, you don’t need to worry – while it may look troubling, it is surprisingly easy to fix green hot tub water.

In this guide, we’ll explore the causes of green water in your jacuzzi, what it means, and how to fix green hot tub water. So, when you’re ready, simply read on for tips on how to get started with cleaning your tub.

Why is my hot tub water green?

Generally speaking, there are two main reasons behind green water developing in your hot tub – algae and minerals. Both play a role in causing this unpleasant problem and can be identified by the following:

Algues

If you’re wondering why there seems to be green water in your hot tub, the most common cause is usually algae in the water, which is itself a symptom of the water not being regularly with chlore ou brome, allowing the algae to build up and grow exponentially.

Minéraux

Minerals, including iron and copper, can also lead to green water. These minerals can get into your hot tub’s water from the pipes or corrosion. And if you live in an area with high levels of minerals in the water, this could also cause green hot tub water.

How to determine the cause of green hot tub water

From algae to minerals such as iron, manganese, and copper, there are a variety of reasons why you might find that you have green hot tub water. But how do you go about determining the exact cause?

1. Check for algae

Algae is the most common cause of green pool water, so it is worth attempting to work on this as your first line of treatment by testing your hot tub’s sanitiser levels et ensuring its pH levels are balanced.

If they’re not and your sanitiser levels aren’t high enough, then algae will grow in your hot tub over time, making it very important to top up your sanitiser when possible to prevent bacterial and algae growth.

2. Check for mineral levels

If your hot tub water is green and your sanitiser levels are fine, then it’s likely that metals are leaching into your hot tub’s water. You need to solve this issue quickly, as it can lead to staining, which will be harder to clean off in the future.

The metals that are responsible for green water tend to be iron, manganese and copper, meaning you need to drain your hot tub and then get cleaning to prevent your tub’s bowl from getting tarnished.

How to treat green hot tub water

If your hot tub water is green, you will either need to use a hot tub shock to kill algae or videz votre spa and clean it. Here are our top tips below:

1. Shock your hot tub to clear the algae

Pour prendre soin des algues, vous devrez choquez votre spa. Hot tub shock is composed of very strong oxidizing agents that can kill off any algae growth by rapidly increasing chlorine or bromine levels.

To shock your hot tub, take a look at the instructions provided by your chosen product and then wait for around a day after shocking the tub to test the water’s pH levels before using it.

2. Clean your filters

If you’re cleaning your tub’s water, you also need to clean the filters. To clean the filters, you will need to remove them from your hot tub and rinse them to remove larger particles from their filtering system.

Vous devez également utiliser un nettoyant pour filtres spécialisé pour vous assurer qu'ils sont impeccables. Si trois mois ou plus se sont écoulés depuis votre dernière tu as changé ton filtre, vous souhaiterez peut-être retirer le filtre et le remplacer à la place.

3. Clean your hot tub

If the algae or mineral staining is particularly bad, then it’s always a good idea to clean your hot tub fully by draining it and wiping down the bowl. You can also take this time to flush the piping clean as well.

Une fois le spa vide, vous devrez essuyer tout résidu de la surface du spa, ce que vous devriez pouvoir faire avec une éponge humide. Les résidus les plus tenaces nécessiteront un produit nettoyant spécialisé pour spa. Assurez-vous d’essuyer soigneusement tout l’intérieur du spa pour éliminer tous les résidus.

How to stop your hot tub water from turning green

Although finding your hot tub water turning green can catch you off-guard, as you can see, it is easy to fix. However, if you want to avoid green hot tub water in the future, then you need to carry out regular hot tub maintenance.

So, let’s leave you with a few final takeaways on the topic of avoiding green hot tub water:

  1. Regular cleaning is a must: regular cleaning of your filter will ensure it remains free from clogging, something which is key when you’re striving to keep algae to a minimum. You’ll also need to ensure balanced bromine and chlorine levels.
  2. Ensure the tub is covered when not in use: this will keep debris at bay and ensure excessive sunlight isn’t allowing algae to grow freely.
  3. Drain and refill your tub: even with regular cleaning and maintenance, every now and then it’s important to refresh and reset the hot tub by doing a full refill.

Start your hot tub journey with Platinum Spas

We hope that you’ve found these insights on how to fix green hot tub water helpful. And just remember, it’s important to keep on top of hot tub maintenance if you want to ensure clear water all year round.

And, if you’re on the lookout for a new tub, why not browse the Platinum Spa range today? We have spas haut de gamme as well as spas de nage for you to check out. So, simply get in touch with our team of experts to find out more.

We’ve also got plenty more advice over on our hot tub owners’ hub for once everything is installed.

Green hot tub water FAQs

Nous vous déconseillons fortement d’utiliser votre spa si l’eau est verte. Selon la cause, cela peut vous rendre malade et ce n’est pour le moins pas une expérience agréable.

Your hot tub water should only ever be a transparent blue. If it is another colour, there is something wrong and we advise against using it.

D’autres signes indiquant que l’eau de votre spa présente des problèmes incluent une mauvaise odeur, du moisi et une eau trouble. Rester au courant de l’entretien du spa peut aider à éviter ces problèmes.

Jamie Smith
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