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The 9 Common Hot Tub Questions

Hot tubs are a great way to unwind in the privacy of your own home or backyard. Whether it be with family, friends, or even just by yourself after a long day, your hot tub helps melt away stress and lets you relax. Since you never know when opportunity will strike, you want your tub to be ready whenever the mood strikes. This can be difficult if you don’t know how to maintain your spa, but caring for your tub should be just as easy as relaxing in it. Here are the top hot tub questions to consider.

1) How Often Should I Clean My Filters?

You want to thoroughly rinse your filter with fresh water every other week. A garden hose works great for this, since it easily dislodges hair and most other materials from the filter. You should also soak your filter cartridge in a filter-cleaning compound every three to four months, as well as whenever you change your water. Keep two filters on hand – one in the spa and a clean, dry spare. This allows you to pop in the spare while soaking the main filter. Then, after you rinse the cleaning compound off after the original is done soaking, you can replace it and clean the spare. Your filters last longer and you get to keep enjoying your hot tub.

2) How Often Should I Drain My Hot Tub?

The answer mainly depends on how often you use the tub and your sanitizing system. However, draining and refilling your spa every three to four months is a good schedule to follow to ensure that contaminants and solids that dissolve in the water do not become excessive, which makes it difficult to maintain proper sanitation.

3) Why is My Water Cloudy?

Cloudy water in your spa usually means one of two things: either the filtration system is failing to clean smaller particles out of the water or bacteria are growing in your spa. If it is a problem with the filtration system, products that act like a coagulant to trap the dust and dirt should help. Just make sure to pull out and clean your filters once the hot tub is clean, otherwise the coagulants can break down and reintroduce all the dust and dirt they just collected. If it is bacteria you need to act fast and use a double dose of both chlorine and non-chlorine shock.

4) Can I Use Pool Chemicals in My Hot Tub?

It might seem like a good idea to just use pool chemicals for your hot tub, but that is a big mistake. Pool chemicals are much stronger than those meant for a spa and can cause serious damage to your tub. When it comes to buying the chemicals for your spa, remember that you get what you pay for. Cut-rate products are more likely to include fillers and additional chemicals that can cause issues with your water and the filtration systems. A quality product keeps your hot tub running well for years to come. In addition, product labeling differs between pool and hot tub chemicals, particularly as regards acceptable EPA guidelines. Chemical overdosing is very common when you use products specifically intended for a swimming pool in your hot tub.

5) Should I Use Bromine or Chlorine as a Sanitizer?

The chemicals that you use to sanitize your hot tub really come down to personal preference. Chlorine has a stronger odor, but is a very effective sanitizer. However, chlorine can also cause colors to fade, whereas bromine does not. Bromine also causes less eye, skin, and nose irritation and can be an effective sanitizer in its own right when administered properly in a two-part form.

6) Can I Get a Rash From My Hot Tub?

Yes, but it typically means that something is wrong with your chemical routine, not the tub. Skin rashes can be caused by both a surplus of chemicals and a lack of chemicals. For example, pseudomonas folliculitis is a skin rash commonly known as “hot tub rash.” It occurs when hot tub water is not properly sanitized. It is important to make sure the chemical balance of your water is exactly where it needs to be. This is where your pHin device comes in handy. But, when in doubt, drain, clean, and refill your spa.

7) How Should I Care for My Hot Tub Cover?

Twice a month you should remove the cover and wipe the entire surface with a cover cleaning agent. You only need a few squirts, and make sure to use a clean, damp cloth when you wipe it down. To guard against odors and bacteria growth, clean the underside of your cover with a mixture that is one part bleach to nine parts hot water. You may also use a cover cleaner such as 303 Aerospace vinyl cleaner and preserver. These products are available at most local pool and spa retailers.

8) Why is My Hot Tub Green?

Your hot tub should never be green; this means that there is bacteria growth in your spa. Drain the water and scrub every surface with a chlorine solution, then rinse the tub out with water. Refill your spa and shock the water with a dose of chlorine and non-chlorine shock. Remember, you should use your hot tub if the water is not crystal clear.

If the problem persists even after you sanitize the tub, your water may contain excess copper, which attacks the plumbing and equipment. Similarly, chromium may turn the water a lime green Jello  color. Proper water chemistry, especially pH, balances chromium and copper levels in your hot tub water.

9) Why Doesn’t My Hot Tub Get Hot?

The most common culprit when your hot tub goes cold is the filter. When the filter gets clogged, the heater shuts off because it needs water flow to be able to operate properly. Pop out your filter and give it a thorough rinse and soak in a cleaning solution. If your filters are over two years old, it is probably time to replace them. If cleaning the filter does not bring back the heat, turn the heater off for about 15 minutes. If it is still not working when you turn it back on, it is most likely time for a service call. Another common cause of heater failure is scale buildup on the heater core or element, typically caused by not using a stain and scale control. Scale buildup on the heater element of only 1/20” can reduce the heater’s efficiency by 40 percent!

To ensure the water in your pool or hot tub stays balanced, consider pHin. It constantly monitors your water and tells your smartphone what you need to do to keep the water in your pool and hot tub healthy. Use it with your own chemicals for flexibility or get our single-dose, pre-measured chemicals delivered to your door. If you need someone to service your equipment, Pool Service on Demand connects you to local, qualified pool techs.

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1 comment

  1. Water gets cloudy, 2oz. of dichlor is added every night. By the next day it is gone. ( Everyday). Water was changed 1 week ago. Same issues, the CYA is 175 and there is 1500 Phosphates, and zero ammonia.
    What do I do ?????Even with fresh water it will not hold chlorine.

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