Maintenance

Maintaining Your Mossman Brothers Pool

Building a beautiful custom pool is one thing. Maintaining it so it stays beautiful and functional for decades is another. Arizona’s climate presents specific challenges: intense summer heat, mineral-heavy water, and UV exposure that’s among the strongest in the nation. Understanding how to properly maintain your pool means the difference between a cherished feature that lasts 30 years and a declining asset that becomes a burden.

This guide covers everything you need to know about maintaining a residential pool in Arizona, whether you manage maintenance yourself or hire a professional service.

Understanding Arizona's Water Challenges

Arizona’s water supply is significantly harder (mineral-richer) than most regions. This affects pool chemistry and equipment maintenance in specific ways:

Calcium Hardness

Arizona tap water typically has 200-300+ ppm calcium hardness. Ideal pool calcium is 200-400 ppm, so you're starting high. As water evaporates during Arizona's hot months, calcium concentrates further. Excess calcium can cause:
• Cloudy water
• Equipment scaling
• Reduced chemical effectiveness
• Deposits on pool surfaces

Total Dissolved Solids (TDS)

All the minerals in Arizona water accumulate in your pool. Over time, TDS rises, and the only solution is partial water replacement or draining and refilling.

Alkalinity

The natural alkalinity in Arizona water can affect pH buffering capacity. Proper alkalinity helps stabilize pH.

Saturation Index

This measures whether your water will corrode equipment or precipitate minerals. In Arizona's heat and hard water, managing saturation index is critical for equipment longevity.

This is why working with a professional maintenance company familiar with Arizona water chemistry is valuable. They understand these regional challenges and can manage chemistry specifically for Arizona conditions.

Weekly Maintenance Tasks

If you maintain your own pool, these weekly tasks keep it in good condition:

Skimming (2-3 times weekly)

Remove leaves, debris, and insects from the pool surface. Use a skimmer net to clear the surface, then check the skimmer baskets and empty them. This prevents debris from sinking and decomposing in the pool.

Brushing (1-2 times weekly)

Brush the pool walls and floor to prevent algae growth and remove any sediment. Even with good filtration, some particles settle and need to be brushed back into circulation for the filter to catch them.

Filter Cleaning (as needed)

Depending on your filter type (sand, cartridge, or DE), cleaning frequency varies. Monitor your filter’s pressure gauge. When pressure rises 8-10 psi above normal, the filter needs cleaning. This might be weekly in Arizona’s dusty environment or every 2-3 weeks depending on conditions.

Water Level Check

Arizona’s heat causes significant evaporation—expect to add water 1-2 times weekly during summer months. Maintain water level at the center of the skimmer opening so debris removal works properly.

Chemical Balance (2-3 times weekly)

Test and balance:

Arizona tap water and intense sunlight make weekly testing essential. Over- or under-chlorination creates problems.

Equipment Care

Your Pentair equipment system is designed for reliability, but Arizona’s climate requires specific maintenance:

Pump

• Check for leaks weekly
• Listen for unusual noises (bearings wearing out)
• Keep pump area clear of debris
• Run minimum 8 hours daily (more during summer)
• Monitor for cavitation (sucking sounds) which indicates low water level

Filter

• Clean regularly when pressure rises (see weekly maintenance)
• Check for lateral cracks (sand filter) or cartridge tears (cartridge filter)
• Replace laterals or cartridges when they're damaged
• Backwash only when pressure requires it (excessive backwashing wastes water)

Heater

• Even Arizona pools benefit from heating for evening use and cooler months
• Have heater serviced annually before heating season
• Check for any water leaks around connections
• Clean heater filter screen regularly

Chemical Systems

• If using automatic chlorinator, check for proper feed rate weekly
• Keep skimmer baskets clean so chemicals reach the pool
• Test chemical levels 2-3 times weekly
• Replace cyanuric acid (stabilizer) as needed—Arizona sun burns through it faster than other regions

Automation System (if installed)

• Check controller monthly for proper function
• Keep systems dry and protected from sun exposure when possible
• Replace batteries in wireless systems annually
• Program seasonal adjustments (run times vary by season)

Seasonal Maintenance

Arizona’s “seasons” are less dramatic than other regions, but maintenance priorities shift:

Summer (May-September)

Evaporation is significant—add water 1-2 times weekly
Algae growth accelerates in heat—increase chlorine monitoring to 3-4 times weekly
Cyanuric acid (stabilizer) burns away faster—expect to add more
Run pump longer (12+ hours daily) to maintain circulation
Check filter more frequently
Monitor for equipment stress (heaters work harder, pumps run longer)

Fall (October-November)

Winter (December-March)

This is the mildest season—least chemical demand
Evaporation slows significantly
May have brief cold snaps—heater may be needed
Reduce run times further as demand decreases
Less skimming needed as fewer leaves/debris

Spring (April-May)

When to Call a Professional

Some pool owners maintain their pools themselves; others prefer professional service. Consider professional maintenance if:

You travel frequently or prefer not to manage weekly tasks
You're unsure about chemical balance and don't want to risk problems
You want expert oversight of Arizona's hard water chemistry
You're dealing with persistent algae, cloudy water, or equipment issues
You want to maximize equipment lifespan

A professional maintenance service typically costs $150-300/month depending on service frequency and what’s included. It’s a reasonable investment for peace of mind and optimal water clarity.

If you choose professional maintenance, ask your provider about:

Service frequency (weekly is typical)
What's included (brushing, skimming, chemical balance, filter cleaning)
Equipment inspection frequency
Their Arizona water chemistry expertise
Warranty or guarantee on water clarity

Common Arizona Pool Problems and Solutions

Cloudy Water

Usually excess calcium, high alkalinity, high pH, or inadequate filtration Solution: Test chemistry thoroughly. If calcium is high (>400 ppm), do a partial water drain and refill. Check filter function. Run filter longer. Possibly use clarifier temporarily.

Green Algae

Low chlorine and/or high pH Solution: Raise chlorine to 5-10 ppm (shock level). Brush walls and floor. Run filter continuously. Test pH and alkalinity. Green algae responds quickly to high chlorine.

Yellow/Brown Algae

Chlorine-resistant algae, sometimes called mustard algae, more common in Arizona Solution: Higher chlorine shock (10-15 ppm). More aggressive brushing. Consider algaecide. May require multiple treatments.

Equipment Scaling

High calcium hardness in Arizona water Solution: Use sequestrant product to prevent scaling. Regular filter cleaning. Consider partial water replacement annually.

Low Stabilizer (Cyanuric Acid)

Arizona sun burns through stabilizer faster than other regions Solution: Test stabilizer level monthly. Maintain 30-50 ppm. Add stabilizer as needed.

pH Creep

Alkalinity in Arizona water tends to push pH high Solution: Use pH down (sodium bisulfate) to lower pH. Test pH 2-3 times weekly.

Arizona tap water and intense sunlight make weekly testing essential. Over- or under-chlorination creates problems.

Water Chemistry 101 for Arizona Pools

If you’re managing your own pool, understanding chemistry basics helps you maintain it properly:

PH

Measures acidity/alkalinity. Ideal is 7.2-7.6. Affects chemical effectiveness, equipment lifespan, and comfort.

Too low (acidic): Corrodes equipment, uncomfortable to swim
Too high (alkaline): Reduces chlorine effectiveness, causes cloudy water

Chlorine (Free Chlorine)

Kills bacteria and algae. Maintain 2-4 ppm

Too low: Algae and bacteria growth
Too high: Irritating to eyes/skin, can damage equipment

Total Alkalinity

Alkaline substances that stabilize pH. Maintain 80-120 ppm

Too low: pH fluctuates wildly
Too high: pH difficult to lower, can cause cloudy water

Calcium Hardness

Dissolved minerals. Maintain 200-400 ppm

Too low: Water corrodes equipment (rare in Arizona)
Too high: Cloudy water, equipment scaling, surface staining

Cyanuric Acid (Stabilizer)

Protects chlorine from sun. Maintain 30-50 ppm

Essential in Arizona where UV is intense
Burns away regularly, requires frequent testing and replacement

Saturation Index

Measure of whether water will cause problems. Negative index means corrosive; positive means scaling. Goal is near-zero.

Draining and Refilling

Arizona’s hard water eventually concentrates enough that a full drain and refill becomes necessary. This typically happens:

Every 5-7 years for pools where you maintain them yourself
Every 3-5 years for professionally maintained pools (professionals may recommend more frequent replacement of high-mineral water)
Sooner if you have persistent water quality issues despite chemical balance

Draining and refilling is expensive (can cost $3,000-$8,000 depending on pool size) but sometimes necessary to reset water chemistry completely.

Before draining, discuss with a professional whether it’s actually necessary or if alternative treatments (reverse osmosis, saturation index adjustment) might work better.

Equipment Lifespan and Replacement

With proper maintenance, Pentair equipment typically lasts:

Pump

10-15 years

Filter

10-15 years (cartridges replaced every 1-2 years)

Heater

10-15 years

Chlorinator

5-10 years

Automation system

10+ years

Proper maintenance extends these lifespans. Neglected equipment fails sooner.

Your Mossman Brothers Warranty

All Mossman Brothers pools include warranty coverage for structural integrity and workmanship. For specific warranty details and what maintenance is required to maintain warranty validity, refer to your warranty documentation.

We’re available to answer technical maintenance questions and can recommend reliable maintenance professionals if you prefer outsourced care.

Frequently Asked Questions

How often should I test my pool chemistry?

Weekly minimum (2-3 times) when you’re managing your own pool. More frequently during summer when chemical demand is higher and evaporation is significant. If you’re using a professional service, they’ll test 1-2 times weekly typically.

Is professional maintenance worth the cost?

That depends on your preference. Professional maintenance typically costs $150-300/month but ensures expert oversight of Arizona’s challenging water chemistry. Many homeowners find it worthwhile for peace of mind.

Why is Arizona pool water so hard?

Arizona’s water supply is naturally mineral-rich (hard water). As it evaporates in our intense heat, minerals concentrate further. This requires specific maintenance attention that other regions don’t need.

How often do I need to drain and refill my pool?

Typically every 5-7 years for self-maintained pools, sometimes more frequently for professionally maintained pools. Water hardness and TDS buildup eventually require resetting chemistry completely.

Can I drain my pool myself?

You can use a pump to drain, but you’ll want professionals to handle refilling and chemistry startup. Improper startup can damage equipment or create water quality problems.

What's the most important maintenance task?

Maintaining proper chlorine level is most critical for preventing algae and bacteria. Skimming and brushing are also essential. These three basics prevent most problems.

What should I do if my pool turns green?

Raise chlorine to 10+ ppm (shock level), brush all surfaces, run filter continuously, and keep testing. Green algae typically responds within 24-48 hours. Call a professional if it doesn’t improve.

Do I need to heat my Arizona pool in winter?

Not in the traditional sense—Arizona doesn’t freeze. However, evening and winter swimming is more comfortable with heating. Winter water temperature typically drops to 55-65°F without heating.

Questions About Your Mossman Brothers Pool

If you have specific questions about maintaining your Mossman Brothers pool—whether it’s about equipment operation, warranty coverage, or Arizona water chemistry challenges—don’t hesitate to contact us. We’re happy to provide guidance.