Cloudy hot tub water is almost always caused by chemical imbalances, clogged filters, or a buildup of organic contaminants like body oils, lotions, and sweat.
Fixing cloudy hot tub water requires balancing the chemistry and clearing out trapped contaminants. Follow these quick steps: test and balance the pH/alkalinity, shock the water with oxidizer, rinse or replace your filter, and run your jets continuously until clear.
Getting cloudy water immediately after shocking your spa or hot tub is pretty common, and usually considered normal. After all, there are a lot of chemical reactions going on when you shock a spa! Clear water should return to a spa within just a few hours.
No, cloudy hot tub water is generally not safe to soak in. Cloudy water indicates an underlying problem. It usually means your sanitizer levels are too low to kill bacteria, or that the water chemistry is highly unbalanced. Entering the spa in this condition significantly increases your risk of skin rashes, eye irritation, and respiratory or ear infections.
Hot tub folliculitis is caused by Pseudomonas aeruginosa, a bacteria that survives in hot tubs, especially tubs made of wood. The bacteria can also be found in whirlpools and swimming pools, or on contaminated water-associated objects such as gloves, towels, pool toys, or sponges.
Hot tub folliculitis is caused by pseudomonas bacteria, which can be found in hot tubs, water slides and heated pools in which the chlorine and pH levels aren't correct. Razor bumps (pseudofolliculitis barbae). This rash can look like folliculitis but it's caused by ingrown hairs, not infected follicles.
To kill folliculitis naturally, use antibacterial and antifungal home remedies. Apply a warm compress soaked in a mixture of 1 tablespoon of white vinegar per pint of water, or use diluted tea tree oil and pure aloe vera gel to eliminate bacteria and soothe inflammation.
To keep hot tub water crystal clear, maintain sanitizer levels (chlorine 2–5 ppm, bromine 3–6 ppm), balance pH (7.2–7.6) and alkalinity (80–120 ppm) weekly, and rinse the filter monthly, using a filter cleaner every 4–6 weeks. Shock the water weekly and after heavy use to break down contaminants.
Cloudy hot water is usually caused by harmless trapped air bubbles, mineral sediment, or a deteriorating anode rod. To identify the cause, fill a clear glass with hot water and let it sit. If it clears from the bottom up, it is trapped air. If it remains cloudy or settles as grit, it is sediment.
Yes, shocking is the primary way to clear cloudy hot tub water. It works by breaking down organic contaminants (body oils, lotions, sweat) and reactivating your sanitizer. However, shock alone often isn't enough. For a lasting fix, you must also balance the water, clean the filters, and ensure proper circulation.
If the cloudiness is due to too much chlorine, you will need to dilute the hot tub water with fresh water. If the cloudiness is due to a pH imbalance, you will need to adjust the water's pH level. Finally, you will need to clean your hot tub more often if the cloudiness is due to too much calcium.
It is generally recommended to avoid hot tubs during the two-week wait (TWW). Medical professionals and fertility clinics strongly advise against raising your core body temperature during this critical window, as intense heat can make the uterus inhospitable to an implanting embryo and potentially increase risks to early development.
Dirt or debris in your pipes or water supply can make the water cloudy. Water main breaks. Construction or repairs in your area can stir up sediment. Changes in water pressure.
Hot tub clarifier
After balancing your water chemicals, using a clarifier can help eliminate cloudiness and restore clarity to your water. A clarifier works by causing small dirt particles to bind together, creating larger particles that are easier for your filter to remove.
To fix cloudy water, first identify the cause. If it is milky tap water, let it sit or run the faucets. For swimming pools, balance your pH/alkalinity and use a clarifier. For aquariums, perform partial water changes, limit feeding, and allow your biological filter to mature.
Water Out of Balance: A high pH, high Total Alkaline or High Calcium Hardness will cause cloudy water.
It's normal for water from the hot tap to appear cloudy. This happens because water expands when heated, trapping dissolved gases and forming tiny air bubbles that give the water a cloudy look. Once the water is out of the tap and pressure drops, these bubbles quickly rise and disappear — making the water clear again.
Cloudy hot tub water typically clears up in 24 to 72 hours after correcting water chemistry or adding a clarifier, provided you run the jets continuously and clean the filters. If the issue stems from a heavy chemical shock, it may clear within a few hours.
Hot water appearing milky or cloudy is almost always caused by tiny air bubbles trapped in the water (aeration). As water is heated in your water heater, it expands and dissolved gases are released. The sudden drop in pressure as it leaves the tap causes these gases to form microscopic bubbles, making the water look white.
How to fix and clear cloudy hot tub water
Will bleach clear up a cloudy pool? It might, if the cloudiness is caused by bacteria or low sanitizer levels. Bleach (sodium hypochlorite) adds chlorine to the pool, but it can also raise pH if used in excess. Be precise and test often to avoid creating new imbalances.
Hydrogen peroxide can help get rid of some bacteria and fungi that cause folliculitis. Make sure to read and follow the product's instructions. Avoid using hydrogen peroxide on areas of healthy skin — you don't want to kill “good” bacteria on the skin.
Sometimes, when Malassezia gets into the hair follicles, it can cause an itchy condition that looks like an acne breakout. It usually occurs on the upper chest and back. This form of folliculitis is made worse (aggravated) by sweat.
Folliculitis is not an STD. It is simply an inflammation or infection of the hair follicles, usually caused by bacteria (Staphylococcus) or fungi. It often occurs from shaving, waxing, sweat, or wearing tight clothing, and can appear on any hairy part of the body.