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Cloudy, Milky & Foamy Hot Tub Water.

Are you having problems like this,

It pretty much goes without saying that hot tub owners will experience cloudy, milky or foamy hot tub water at some point during the period that they own a hot tub. This is not something to worry about as such, as these problems can be easily overcome by using certain methods. This article will firstly describe the type of water problem, how it could have been caused and finally, ways to rectify the problem and make your spa water sparkling again!

Cloudy Spa Water

Caused by,

Cloudy hot tub water can be described as the point where the water seems to have small particles floating around in it, however these particles are not large enough to touch and seem like they could just be air particles. There is no one cause of this issue and you will see this to be recurring in the other types of water issues. The problem could be caused by suspended insoluble particles, dead algae, organic debris, poor filtration (dirty filters), heavy usage or poor water chemistry, but it is difficult to diagnose the reason exactly.

  • Check your filter(s). This is your first point of call with any water quality problem, especially when clarity is an issue. If small particles are not able to be picked up by the filters, it is extremely difficult to solve the problem. Get your filters and rinse them thoroughly or soak them overnight in a filter cleaner. 
  • Check the water balance levels. Your second point of call is the water balance. Check the PH is correct and alter if need be. Check the sanitiser is at the correct level, not too high or too low (a common clarity problem can be caused by high sanitiser levels). 
  • Shock the spa. Using a Non-Clorine Shock, you can usually clear the water fast! Working with your clean filter, the shock will clear the particles and in most cases will solve the issue.
  • Try a clarifier. A product such as Spa Sparkle is similar to a flocculent in that it clumps all the small particles together so that they can be filtered, this may allow for the water to clear.

Last resort, empty the spa. If you eventually decide that you have lost the battle, drain the hot tub and start again with fresh water. Sometimes this is the best way, especially after a period of heavy usage (e.g. a hot tub party!).

Milky Spa Water

Caused by,

Milky hot tub water can be described as the point where the water essentially looks like milk, adding a white tint to the water and making it difficult to see the bottom of the hot tub. Similar to cloudy hot tub water, there is no one cause of this issue. The problem could be caused by suspended insoluble particles, dead algae, organic debris, poor filtration (dirty filters), heavy usage or poor water chemistry, but again, it is difficult to diagnose the reason exactly.

Rectifying the issue,

·  Check your filter(s). This is your first point of call with any water quality problem, especially when clarity is an issue. If small particles are not able to be picked up by the filters, it is extremely difficult to solve the problem. Get your filters and rinse them thoroughly or soak them overnight in a filter cleaner. You may find that rinsing the filters more frequently to recover milky water helps massively. 

·  Check the water balance levels. Your second point of call is the water balance. Check the PH is correct and alter if need be. Check the sanitiser is at the correct level, not too high or too low (a common clarity problem can be caused by high sanitiser levels, making the water look milky). 

·  Shock the spa. Using a Non-Clorine Shock you can usually clear the water fast! Working with your clean filter, the shock will clear the particles and in most cases will solve the issue.

·  Last resort, empty the spa. Once again if you eventually decide that you have lost the battle, drain the hot tub and start again with fresh water. This is the best way, especially after a period of heavy usage (e.g. a hot tub party!) it might take some time and effort but its the only way.

Foamy Spa Water

Caused by,

Foamy hot tub water is where a build up of foam is visible on the surface of the water and can sometimes lead to a film being left on the top of the water and around the waterline. For this problem, it is slightly easier to pin down the cause in comparison to cloudy or milky hot tub water. Foam build up is caused by a reaction between body and cosmetic oils and the alkalinity of the hot tub water. Body oils and cosmetics such as deodorant, makeup, hairspray, hair gel, shampoo, and detergents in our bathing costumes cause foaming and very often will manifest in a case of green tinted water and an unpleasent odour may well also be present from the water.

Rectifying the issue,

Nip it in the bud! Solve the problem by tackling it at the start. It may be hassle to make people shower before using the hot tub but this is the key thing to prevent foam build-up. Washing your bathing costumes in detergent seems like a good idea but it is not wholly necessary, it is better for your hot tub if you rinse them under the tap then hang them up to dry, meaning that no detergent can sneak its way into your hot tub and cause the issue in the first place.

Use anti-foam products. Foamaway is a product that should be used sparingly, as it is more of a quick-fix product that does not prevent the problem from reoccurring. Using it in small amounts can quickly clear the foam from the waterline in the short-term and therefore helps the appearance of the spa but it is best not to rely on it. Drain down the hot tub and flush the system. A system flush using a product like Hot Tub Flush will help flush the system through before draining. By draining the hot tub, you can remove any grease from the spa surface and tackle the foaming issue in this way but prevention is by far the best cure and the most effective. We all want to enjoy our hot tubs and spas but the simple fact of the matter is if you fill your spa with clean water one day and days later you are having issues look no further than the users and you have found the cause of your problem.

 

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