Phoenix Pools: Algae Blooms Hiding Senior Sunburns?

By Franklin Everett Shaw

May 8, 2026

The Arizona sun, while glorious, can be a double-edged sword, especially for those of us enjoying our golden years. We love our pools, but those sparkling waters can sometimes turn a murky green, signaling an algae bloom. This isn’t just unsightly; it can pose real health risks, particularly for mature skin that’s more susceptible to irritation and sunburn. Let’s dive into how Phoenix-area seniors can keep their pools algae-free and safe, all while minimizing sun exposure.

Algae in your pool isn’t just a cosmetic issue. It’s a sign of imbalance, and certain types can harbor bacteria or create irritating byproducts. For seniors, whose skin is often thinner and more sensitive, exposure to algae-infested water can lead to rashes, itching, and even increased sun sensitivity.

First, let’s identify the usual suspects. Green algae is the most common, turning your pool water a cloudy green. Yellow or mustard algae often clings to walls, resembling pollen. Black algae, the most stubborn, appears as dark spots and can penetrate pool surfaces. Pink algae, technically bacteria, creates a slimy pink residue.

Recognizing these types is the first step in combating them. Each requires a slightly different approach, but the core principles remain the same: proper water chemistry, diligent cleaning, and preventative maintenance.

Now, let’s talk water chemistry. Maintaining the correct pH, alkalinity, and sanitizer levels is crucial. The ideal pH range is 7.2 to 7.8. Alkalinity should be between 80 and 120 ppm (parts per million). Chlorine, the most common sanitizer, should be kept between 1 and 3 ppm.

Testing your pool water regularly is non-negotiable. You can purchase test kits at most pool supply stores, like Leslie’s Pool Supplies in Phoenix. Alternatively, many local pool stores offer free water testing services. Bring a sample in a clean container for the most accurate results.

Adjusting your water chemistry might seem daunting, but it’s manageable with the right approach. Start by testing your water and identifying any imbalances. Then, use pool chemicals to correct those imbalances, following the product instructions carefully. Always add chemicals to water, never the other way around, to avoid dangerous reactions.

For example, if your pH is too low, you’ll need to add soda ash (sodium carbonate). If it’s too high, add muriatic acid (hydrochloric acid). Always test again after adding chemicals to ensure you’ve reached the desired levels.

Now, let’s get to the cleaning. Regular brushing and vacuuming are essential for preventing algae growth. Brush the walls and floor of your pool at least once a week to dislodge any algae spores. Vacuum the pool to remove debris that can feed algae.

Consider investing in an automatic pool cleaner to reduce the physical strain of manual vacuuming. These devices can be programmed to clean your pool on a regular schedule, freeing up your time and energy.

But remember, even with an automatic cleaner, occasional manual brushing is still necessary to reach those hard-to-reach spots. Pay special attention to corners, steps, and areas around fittings and lights.

Shocking your pool is another important step in algae prevention. Shocking involves adding a large dose of chlorine to kill any existing algae and bacteria. It’s best to shock your pool at night, as sunlight can degrade chlorine.

Follow the product instructions carefully when shocking your pool. Wear appropriate protective gear, including gloves and eye protection. Allow the chlorine levels to return to normal before swimming.

Now, let’s address the sun exposure issue. Cleaning your pool often means spending time outdoors, which can be risky for sun-sensitive skin. The Arizona sun is intense, and even short periods of exposure can lead to sunburn.

Here’s a step-by-step guide to minimizing sun exposure during pool maintenance:

1. Choose your time wisely: Clean your pool in the early morning or late afternoon when the sun’s rays are less intense.
2. Wear protective clothing: Cover as much skin as possible with lightweight, long-sleeved shirts and pants.
3. Apply sunscreen liberally: Use a broad-spectrum sunscreen with an SPF of 30 or higher. Apply it to all exposed skin, including your face, neck, ears, and hands. Reapply every two hours, or more often if you’re sweating.
4. Wear a wide-brimmed hat: A hat will protect your face, neck, and ears from the sun.
5. Wear sunglasses: Sunglasses will protect your eyes from harmful UV rays.
6. Take breaks in the shade: Step inside or under an umbrella regularly to give your skin a break from the sun.

Consider investing in a pool cover to reduce the amount of sunlight that enters your pool. This can help prevent algae growth and reduce the need for frequent cleaning.

Another common mistake is neglecting the pool filter. A dirty filter can’t effectively remove debris and algae spores, leading to recurring blooms. Clean your filter regularly according to the manufacturer’s instructions.

There are three main types of pool filters: sand, cartridge, and diatomaceous earth (DE). Sand filters should be backwashed regularly to remove accumulated debris. Cartridge filters should be rinsed with a hose. DE filters require backwashing and periodic replacement of the DE powder.

Don’t forget about your pool equipment. Inspect your pump, filter, and other equipment regularly for any signs of wear or damage. Repair or replace any faulty equipment promptly to prevent problems down the road.

If you’re struggling to keep your pool algae-free, don’t hesitate to seek professional help. Many local pool service companies in Phoenix offer maintenance and repair services. They can help you identify and address any underlying issues that are contributing to algae growth.

Here are some local Phoenix resources that may be helpful:

• Leslie’s Pool Supplies: Offers water testing, chemicals, and equipment.
• Pinch a Penny Pool Patio Spa: Another option for pool supplies and services.
• Maricopa County Senior Services: Provides information and resources for seniors in the Phoenix area.
• Area Agency on Aging, Region One: Offers a variety of services for seniors, including health and wellness programs.

Remember, maintaining a healthy and algae-free pool is an ongoing process. By following these tips and staying vigilant, you can enjoy your pool safely and comfortably, even in the Arizona sun. Don’t let algae ruin your summer fun. Take control of your pool maintenance and protect your skin.