Oily Film in Hot Tub? Causes and Treatments

You love your hot tub, but you’ve been noticing oily film and scum floating on top of the water. Don’t fret – you’re not alone! It’s actually a very common problem for hot tub users, and you will not need to invest in a brand new tub. Many factors can contribute to the formation of scum and oily film. All you need to do is pay more attention before using your hot tub, and clean it more regularly. Below are some tips and recommendations to help you recognize, treat, and prevent oily film or scum in your hot tub.
The main reason behind an oily film on top the water in your hot tub is its frequency of sanitation cannot keep up with the rate your hot tub is being contaminated. When you enter your hot tub, the makeup, perfume, lotion, sunscreen, hair products, detergent residue, and other styling products from your body will contaminate the water. Eventually unwanted chemicals and oils will build up and form a thin film on the surface of the water. So as a prevention strategy, you can shower before you enjoy your hot tub. However, if you’re one to host parties and invite lots of people over, it may be slightly weird to ask all your guests to shower first.Thus, you can focus more on how to treat your water.
Keeping your water chemistry levels balanced including the pH, alkalinity, total hardness, and sanitizer levels is an important step in preventing oil films. Test the chemical levels often so you can make adjustments accordingly if early signs of oil or scum appear. Shocking your pool weekly will help break down organic waste and increase sanitizer levels. Sometimes the oily film doesn’t form from a water issue, but a pipe issue. There could be buildup inside the pipes so you should clean your hot tub regularly. It’s recommended that you empty your hot tub every 90-100 days. Before you empty your tub, flush your pipes to remove any unwanted residue. Then after it’s been emptied, wipe the walls of your hot tub with a non-foaming cleanser.
To treat oily film if it’s already been formed, you can use floating sponges, which absorb oils from the water. These are inexpensive and reusable! After you’ve collected all the oils from the water, you simply squeeze it out, rinse it with water, and it will be clean again. However, they will work better if replaced every 30 days. Another great treatment product is water clarifiers such as enzyme clarifiers that transform organic waste into carbon dioxide and water. If needed, it can be added on a weekly basis to clear the water regularly.
Don’t let small problems like oil films discourage you from enjoying your hot tub. Once you know why it happens, you can prevent against its reoccurrence. If you need more advice on removing oil films from your hot tub, feel free to book an appointment with us at Seaway Pools & Hot Tubs. As experienced professionals, we will provide you with the best advice and create the most suitable cleansing plan for your hot tub needs. Constant us today at 905-294-8030, or by our toll free number 1-888-494-8030, or send us an email at online@seawaypoolsntubs.com.

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