Chicago’s climate does not make pond maintenance easy. Our winters plunge temperatures well below freezing for months at a time, testing equipment, threatening fish, and creating ice management challenges that pond owners in milder climates never face. Our summers bring heat and humidity that fuel explosive algae growth, stress fish with depleted oxygen levels, and turn neglected ponds into green, smelly eyesores. Spring dumps massive amounts of rain and runoff into ponds, disrupting water chemistry and washing in debris. Fall buries water features under mountains of leaves that, if left unchecked, become next year’s muck problem.
Yet despite these challenges or perhaps because of them Chicago-area property owners love their ponds. From small backyard koi ponds to sprawling HOA lakes, from commercial water features to municipal park ponds, water features transform our landscapes and provide peaceful retreats from urban intensity. The key to enjoying these features without constant frustration lies in understanding what Chicago’s climate demands and maintaining ponds appropriately for our unique conditions.
This guide covers everything Chicago-area pond and lake owners need to know about proper maintenance: seasonal requirements, common problems, effective solutions, and the difference between ponds that thrive and those that struggle. Whether you manage a small water garden or oversee an HOA lake, this information helps you understand what your water feature needs to look its best year-round.
Why Chicago Ponds Need Different Care
Before diving into specific maintenance tasks, understanding why Chicago presents unique challenges helps explain why maintenance approaches that work elsewhere may not work here.
The Winter Factor
Chicago winters are brutal on ponds. Extended periods below freezing create challenges most pond owners do not anticipate:
Ice formation can exceed 12 inches thick during severe winters. While ice itself is not necessarily harmful, complete ice cover without gas exchange openings can trap harmful gases under the surface, potentially killing fish.
Freeze-thaw cycles stress equipment, crack marginal containers, shift rocks, and can damage pond edges. Chicago often experiences multiple freeze-thaw cycles per winter, compounding this stress.
Extended dormancy means fish go months without feeding, living off stored reserves. Fish that enter winter in poor condition may not survive until spring.
Equipment vulnerability requires proper winterization. Pumps left running in the wrong configuration can freeze and crack. Pumps not properly stored can be damaged by residual water freezing inside housings.
The Summer Challenge
Chicago summers bring their own problems, particularly for ponds with fish:
Heat and humidity fuel algae growth like nowhere else. Our July and August conditions: hot days, warm nights, high humidity create perfect algae-growing weather.
Oxygen depletion becomes critical during hot weather. Warm water holds less dissolved oxygen than cool water, and biological oxygen demand increases at higher temperatures. Fish stressed by low oxygen are vulnerable to disease and death.
Evaporation accelerates during hot, dry periods. Ponds can lose inches of water per week, concentrating nutrients and potentially exposing pumps.
Storm intensity during Chicago summers can dump inches of rain in hours, causing runoff problems, overflow issues, and sudden water chemistry changes.
Seasonal Transitions
Spring and fall bring their own complications:
Spring thaw releases accumulated organic matter all at once, creating ammonia spikes and water quality crashes if not managed properly.
Spring rains wash fertilizers, lawn chemicals, and debris into ponds, feeding algae blooms and stressing fish.
Fall leaf drop in Chicago is intense. Our abundant trees shed massive quantities of leaves over just a few weeks, and ponds can become overwhelmed without intervention.
Temperature swings during transitional seasons stress fish and can trigger disease outbreaks.
💡 Pro Tip: The pond maintenance calendar in Chicago is compressed compared to more temperate climates. Our effective pond season runs roughly April through October for just seven months. Maintenance tasks that might be spread across longer seasons elsewhere must happen in shorter windows here.
Year-Round Maintenance Calendar for Chicago Ponds
Effective Chicago pond maintenance follows a seasonal rhythm. Understanding what needs attention when prevents problems and reduces overall maintenance burden.
Spring (March – May): Awakening and Recovery
Spring is the most critical maintenance period for Chicago ponds. How well you handle spring startup largely determines how your pond performs all season.
March: Pre-Season Preparation
- Monitor ice conditions and maintain gas exchange openings
- Watch for early-season fish activity
- Inspect winter damage before full startup
- Plan any repairs or upgrades while pond is dormant
April: Spring Startup
Spring cleaning and startup typically happens in April, once ice has fully melted and water temperatures stabilize above 50°F.
Full spring cleaning includes:
- Draining and cleaning accumulated debris and sludge
- Inspecting liner, rocks, and structure for winter damage
- Cleaning and testing pumps before installation
- Cleaning filter systems and replacing media as needed
- Replacing UV clarifier bulbs (annually)
- Inspecting and cleaning skimmers and intakes
- Water quality testing before refilling
- Gradual reintroduction of fish if temporarily relocated
- Initial beneficial bacteria treatment
- Assessment of fish health after winter dormancy
For detailed spring service information, see our guide to spring pond cleaning services.
May: Establishing Balance
- Begin regular feeding as water warms above 55°F
- Monitor water quality weekly during startup
- Watch for signs of disease in fish (common after winter stress)
- Manage spring algae bloom (normal and temporary)
- Thin overgrown aquatic plants
- Check equipment operation under normal load
- Address any issues discovered during startup
⚠️ Warning: Rushing spring startup is a common mistake. Fish that appear active are still metabolically compromised if water is too cold. Starting feeding too early, before biological filtration has established, causes ammonia spikes that stress or kill fish. Patience in April and May prevents problems all season.
Summer (June – August): Active Management
Summer demands consistent attention to prevent problems that develop quickly in hot weather.
June: Maintenance Rhythm
- Establish regular maintenance schedule (weekly for most ponds)
- Full feeding program for fish
- Algae management (preventive treatments, manual removal)
- Water testing (weekly minimum during summer)
- Top-off water levels as evaporation increases
- Check aeration systems are functioning properly
- Monitor for disease signs in fish
- Manage plant growth
July – August: Peak Challenge Period
- Highest maintenance intensity period
- Vigilant algae control
- Critical oxygen management (especially during heat waves)
- Possible supplemental aeration during extreme heat
- More frequent water quality monitoring
- Predator vigilance (herons are most active)
- Storm response (debris removal, water quality checks after heavy rain)
- Equipment checks (pumps work hardest during summer)
For water clarity strategies, see our guide on how to keep pond water clear.
Fall (September – November): Preparation and Protection
Fall maintenance focuses on preparing ponds to survive winter successfully.
September: Transition Begins
- Reduce feeding as water cools below 65°F
- Continue algae management
- Begin leaf management as trees change
- Assess equipment condition before winter
- Plan any repairs needed before shutdown
October: Pre-Winter Preparation
- Install pond netting to catch falling leaves
- Continue feeding reduction (stop below 50°F)
- Deep clean before shutdown
- Remove accumulated debris before it sinks
- Divide and thin overgrown plants
- Remove tropical plants for indoor wintering
November: Winterization
- Final debris removal
- Pump and filter winterization
- De-icer or aerator installation for fish ponds
- Netting removal once leaves have fallen
- Final water quality check
- Prepare fish for dormancy
Winter (December – February): Monitoring and Protection
Winter maintenance is minimal but crucial for fish survival.
Throughout Winter:
- Maintain gas exchange opening in ice (never let ice seal completely)
- Check de-icer or aerator operation regularly
- Remove heavy snow from ice (reduces light penetration)
- Monitor for wildlife activity (raccoons, herons on ice edges)
- Visual checks for obvious problems
- Do not feed fish (digestive systems shut down below 50°F)
- Avoid breaking ice forcefully (shock waves stress fish)
💡 Pro Tip: A floating de-icer or small aerator maintaining an opening in the ice can mean the difference between fish surviving winter and a spring fish kill. This modest investment protects your entire fish population.
Common Chicago Pond Problems and Solutions
Understanding common problems helps you recognize issues early and respond appropriately.
Algae: Chicago’s Universal Challenge
Algae frustrates Chicago pond owners more than any other issue. Our climate creates perfect conditions for both green water (suspended algae) and string algae (filamentous algae).
Green Water Algae
Suspended single-celled algae that turn water pea-soup green. Often called an “algae bloom.”
Causes:
- Excess nutrients (fish waste, fertilizer runoff, decomposing debris)
- Strong sunlight
- Warm temperatures
- Inadequate filtration
Solutions:
- UV clarification (the most effective solution for green water)
- Proper filtration and biological balance
- Reduce nutrient inputs
- Add shade (aquatic plants, lily pads)
- Beneficial bacteria to compete for nutrients
String Algae (Filamentous Algae)
Hair-like or mat-forming algae that grows on rocks, waterfalls, and pond edges.
Causes:
- Similar to green water excess nutrients and sunlight
- Cool water (thrives in spring and fall when UV is less effective)
- Hard water common in Chicago area
Solutions:
- Manual removal (tedious but effective)
- Beneficial bacteria programs
- Proper pond balance
- Barley straw or barley extract products
- Some chemical treatments (use carefully with fish)
For comprehensive algae strategies, see our guide on how to keep pond water clear.
Fish Kills: Understanding the Causes
Fish deaths traumatize pond owners and often indicate serious problems.
Summer Fish Kills
Primary cause: Oxygen depletion during hot weather
Contributing factors:
- High water temperature (holds less oxygen)
- Overnight oxygen consumption by plants and algae
- Decomposing organic matter consuming oxygen
- Overcrowding
- Storm-induced oxygen depletion (clouds limit photosynthesis while decomposition continues)
Prevention:
- Adequate aeration, especially during hot weather
- Proper stocking density
- Regular debris removal
- Monitoring during heat waves
Winter Fish Kills
Primary cause: Toxic gas accumulation under ice
Contributing factors:
- Complete ice cover preventing gas exchange
- Decomposing debris producing hydrogen sulfide
- Extended ice cover (common in Chicago’s long winters)
Prevention:
- Maintain opening in ice throughout winter
- Remove debris thoroughly before winter
- De-icer or aerator to maintain gas exchange
Spring Fish Kills
Primary cause: Ammonia poisoning during spring startup
Contributing factors:
- Accumulated waste released as water warms
- Biological filtration not yet established
- Overfeeding before bacteria colonies develop
- Dead fish from winter decomposing
Prevention:
- Proper spring cleaning
- Gradual feeding introduction
- Beneficial bacteria addition
- Water quality testing during startup
For fish health management, see our guide to koi pond water quality.
Water Quality Issues
Beyond algae, several water quality problems affect Chicago ponds.
Ammonia and Nitrite Spikes
Symptoms: Fish gasping, flashing, lethargy; test kits confirm elevated levels
Causes:
- New pond syndrome (biological filter not established)
- Filter cleaning that killed beneficial bacteria
- Overfeeding
- Overstocking
- Dead fish or organic matter decomposing
Solutions:
- Water changes to dilute
- Stop or reduce feeding
- Add beneficial bacteria
- Increase aeration
- Address underlying cause
pH Problems
Chicago area water tends toward alkaline (high pH), which is generally fine for most pond fish but can become problematic if too extreme.
Solutions:
- Test regularly and understand your baseline
- Avoid sudden changes (more dangerous than suboptimal levels)
- Natural buffers through proper pond balance
- Water changes with dechlorinated water if needed
Cloudy/Murky Water
Different from green water appears brown, gray, or simply turbid.
Causes:
- Sediment disturbance
- Inadequate filtration
- Fish stirring bottom (especially koi)
- Runoff carrying soil into pond
Solutions:
- Better mechanical filtration
- Flocculants to settle particles
- Address sediment sources
- Bottom drains for koi ponds
- Time (often settles naturally)
Excessive Plant and Weed Growth
While some aquatic plants are beneficial, overgrowth creates problems.
In Ponds:
- Lilies and marginal plants can overtake small ponds
- Annual thinning and division necessary
- Balance between coverage (shade for algae control) and open water
In Lakes:
- Invasive species like Eurasian watermilfoil
- Algae forming surface mats
- Cattail encroachment
- May require professional aquatic vegetation management
Muck and Sediment Accumulation
Organic sediment accumulates over time in all ponds, but Chicago’s intense leaf drop accelerates the problem.
Problems caused by muck:
- Nutrient release feeding algae
- Reduced water volume
- Oxygen consumption as it decomposes
- Foul odors
- Habitat for mosquitoes
Solutions:
- Preventive leaf management (netting in fall)
- Regular debris removal
- Periodic deep cleaning
- Muck-reducing bacteria treatments
- Professional dredging for severe accumulation (lakes)
Predator Issues
Chicago ponds attract unwanted visitors.
Great Blue Herons
- Patient hunters that can devastate fish populations
- Most active in early morning
- Solutions: Netting, decoys, motion-activated deterrents, providing fish hiding places
Raccoons
- Hunt pond edges at night
- Can catch fish and damage equipment
- Solutions: Deep water areas fish can escape to, eliminating shallow shelves, motion-activated sprinklers
Mink and Other Predators
- Less common but devastating when present
- Require professional wildlife management in severe cases
💡 Pro Tip: A heron can eat dozens of fish in a single morning. If you see a heron visiting your pond, assume it will return. Take protective measures before losing your entire fish population.
Maintenance by Water Feature Type
Different water features have different maintenance needs. Understanding these differences helps you allocate resources appropriately.
Small Residential Ponds (Under 1,000 Gallons)
Small water gardens and container ponds are the most common residential features.
Characteristics:
- Quick temperature swings (less thermal mass)
- Limited fish capacity
- Smaller equipment, easier to maintain
- More sensitive to water chemistry changes
- Can be overwhelmed by single large problems (one dead fish, one bag of fertilizer runoff)
Maintenance priorities:
- Frequent attention to water quality
- Careful fish stocking limits
- Reliable filtration despite small scale
- Quick response to problems
- Complete winterization (small ponds can freeze solid)
Medium Residential Ponds (1,000–5,000 Gallons)
The most common size for koi ponds and serious water gardeners.
Characteristics:
- Better stability than small ponds
- Can support moderate fish populations
- Requires meaningful filtration systems
- Benefits significantly from aeration
- Full seasonal maintenance program needed
Maintenance priorities:
- Robust biological filtration
- Regular water testing
- Adequate fish care program
- Comprehensive seasonal maintenance
- Professional support for complex issues
Large Residential Ponds (5,000+ Gallons)
Substantial water features requiring more significant maintenance.
Characteristics:
- Greater stability but more work to maintain
- Can support significant fish populations
- Larger equipment with higher maintenance needs
- More time-consuming seasonal tasks
- May approach need for professional maintenance
Maintenance priorities:
- Equipment reliability becomes critical
- Professional maintenance often makes sense
- Larger scale of seasonal tasks
- More complex water chemistry management
- Significant investment to protect
HOA and Community Lakes
Lakes serving residential communities have unique considerations.
Characteristics:
- Shared responsibility (who maintains?)
- Budget constraints and board approval processes
- Aesthetic expectations from multiple stakeholders
- Potential for complaints from residents
- Liability and safety considerations
- Often include fountains or aerators
- May have stormwater management functions
Maintenance priorities:
- Clear maintenance responsibility and contracts
- Regular professional service
- Goose and wildlife management
- Algae and weed control for aesthetics
- Aeration for water quality and mosquito control
- Documentation for board reporting
For HOA-specific services, see our guide to commercial and HOA pond services.
Commercial Decorative Ponds
Water features at businesses, hotels, restaurants, and corporate campuses.
Characteristics:
- Aesthetic presentation is paramount
- Consistent appearance expected
- May operate seasonally or year-round
- Customer/visitor impressions matter
- Professional maintenance typically required
Maintenance priorities:
- Reliable, consistent appearance
- Quick response to problems
- Regular professional service schedule
- Backup equipment for critical features
- After-hours service availability
Retention and Stormwater Ponds
Functional ponds designed for water management rather than aesthetics.
Characteristics:
- Primary function is stormwater control
- May have regulatory requirements
- Often neglected until problems develop
- Can become eyesores without maintenance
- Mosquito breeding if not managed
Maintenance priorities:
- Maintain design capacity
- Control vegetation encroachment
- Manage algae and odor
- Mosquito control
- Periodic sediment removal
Golf Course Water Features
High-visibility features on course.
Characteristics:
- Aesthetic expectations from golfers
- Multiple features across property
- Irrigation system integration common
- Often substantial acreage of water
- Wildlife management needs
Maintenance priorities:
- Consistent appearance across all features
- Professional lake management programs
- Algae and weed control
- Aeration systems
- Wildlife management (especially geese)
Aeration: Critical for Chicago Ponds
Aeration deserves special attention because it addresses multiple Chicago pond challenges simultaneously.
Why Aeration Matters Here
Summer oxygen crisis prevention: Chicago’s hot, humid summers create conditions where oxygen levels can drop dangerously low. Aeration adds oxygen directly and promotes circulation that prevents stratification.
Winter survival: Proper aeration maintains openings in ice, allowing gas exchange that prevents winter fish kills.
Algae reduction: Aeration promotes conditions less favorable to algae while supporting beneficial bacteria that compete for nutrients.
Muck reduction: Oxygen-rich conditions at the pond bottom support aerobic bacteria that decompose organic matter more efficiently, reducing muck accumulation.
Aeration Options
| Type | Best For | Considerations |
|---|---|---|
| Surface aerators | Small to medium ponds | Visible fountain effect; good for shallow features |
| Diffused/bottom aerators | Deep ponds and lakes | Most efficient oxygen transfer; de-stratification |
| Floating fountains | Aesthetic display + aeration | Dramatic visual; moderate aeration benefit |
| Venturi systems | Waterfall return lines | Uses existing circulation; low additional cost |
| De-icers | Winter ice management | Focused on preventing ice seal; not primary aeration |
For comprehensive aeration information, see our pond aeration systems guide.
When to Call Professionals
While some maintenance tasks are manageable for dedicated pond owners, certain situations call for professional help.
Tasks Best Left to Professionals
Spring deep cleaning Proper technique makes a significant difference in results. Professional cleaning is faster, more thorough, and less stressful for fish.
Equipment diagnosis and repair Troubleshooting pump, filter, and electrical issues requires experience and often specialized tools.
Fish health problems Disease diagnosis and treatment requires knowledge most hobbyists lack. Incorrect treatment can worsen problems.
Water quality crises When fish are dying, quick professional response can save remaining fish. There is no time for trial and error.
Lake and large pond management Features beyond residential scale require professional-grade equipment and approaches.
Signs You Need Help
Call for professional assessment if you notice:
- Multiple fish deaths without obvious cause
- Persistent water quality problems despite your efforts
- Chronic algae that does not respond to treatment
- Equipment making unusual noises or underperforming
- Structural concerns (leaks, shifting rocks, liner exposure)
- Fish showing signs of disease
- Preparing for major changes (adding fish, expanding pond)
For repair services, see our guide to professional pond repair services.
Benefits of Maintenance Programs
Many Chicago pond owners find professional maintenance programs offer better results than DIY efforts:
Consistency Scheduled service happens regardless of your schedule or energy level.
Expertise Trained technicians recognize problems you might miss.
Prevention Regular professional attention catches issues early.
Time savings Your weekends are free for enjoying the pond rather than maintaining it.
Better outcomes Professional care typically produces better results than sporadic DIY maintenance.
For maintenance program options, see our guide to pond maintenance plans and service contracts.
💡 Pro Tip: Even if you handle routine maintenance yourself, establishing a relationship with a professional service means you have someone to call when problems exceed your abilities. That emergency contact can be worth more than years of routine service.
Maintenance Mistakes to Avoid
Learning from common mistakes helps you avoid them.
Overfeeding
The most common mistake in pond keeping. Excess food becomes pollution, feeding algae and fouling water quality. Fish should consume food within a few minutes. If food remains after 5 minutes, you are feeding too much.
Overcleaning Filters
Filters need cleaning, but overzealous cleaning destroys beneficial bacteria colonies that are essential for biological filtration. Rinse filter media in pond water (never chlorinated tap water), and never clean all media at once.
Overcrowding
More fish means more waste means more problems. Follow stocking guidelines, resist the urge to add “just one more,” and remember that fish grow.
Neglecting Fall Cleanup
Leaves that sink become next year’s muck and algae problem. Aggressive fall debris management pays dividends all year.
Skipping Winter Precautions
The pond looks dormant, so owners assume nothing is needed. But fish are alive under that ice, and toxic gases can accumulate without proper gas exchange openings.
Using Tap Water Without Treatment
Chicago tap water contains chlorine and chloramines that are toxic to fish. Always treat water before adding it to ponds containing fish.
Panic Reactions
When problems occur, panicked interventions often make things worse. Multiple simultaneous treatments, massive water changes, and other desperate measures can stress fish more than the original problem. Methodical response works better than panic.
Ignoring Small Problems
Small problems become big problems. A little string algae becomes a major outbreak. A slightly underperforming pump becomes a failed pump. Minor water quality issues become fish kills. Address issues when they are small.
Frequently Asked Questions About Chicago Pond Maintenance
How often should I have my Chicago pond professionally cleaned?
Most residential ponds benefit from comprehensive professional cleaning at least once per year, typically in spring. Ponds with heavy fish loads, significant leaf exposure, or persistent problems may benefit from additional cleaning in fall. Regular maintenance visits between deep cleanings depend on pond size and complexity monthly for most ponds, bi-weekly for demanding features.
Why is my pond water green despite having a filter?
Green water is caused by microscopic suspended algae that can pass through most mechanical filters. The solution is UV clarification, which kills suspended algae as water passes through. Properly sized UV clarifiers, run continuously during the season, eliminate green water reliably. Filters alone cannot solve this problem.
How do I keep my pond from freezing completely in Chicago winters?
A floating de-icer or small aerator maintains an opening in the ice for gas exchange. Never let ice completely seal the pond if fish are present, trapped gases can kill them. De-icers use thermostatic controls to run only when needed, minimizing energy costs while maintaining a safe opening.
When should I start feeding fish in spring?
Begin feeding when water temperature consistently reaches 55°F. Start with small amounts of easily digestible food (wheat germ based) and gradually increase as temperatures rise. Full feeding rates resume when water reaches 65-70°F. Feeding too early, before biological filtration establishes, causes water quality problems.
How can I control algae naturally without chemicals?
Multiple approaches work together: UV clarification for green water; beneficial bacteria to compete for nutrients; adequate plant coverage to shade water and absorb nutrients; proper filtration; avoiding overfeeding; removing debris before it decomposes; and aeration to support healthy pond biology. Chemical treatments are rarely necessary with proper natural balance.
Why do my fish die in summer?
Summer fish deaths usually result from oxygen depletion. Hot water holds less oxygen, while biological oxygen demand increases. Add vigorous aeration during hot weather, especially overnight. Other summer causes include disease (stressed fish are vulnerable) and predation.
How do I protect my pond from herons?
Options include: netting over the pond (most effective but least attractive), heron decoys (mixed effectiveness), motion-activated sprinklers, fishing line grid above the surface, and providing hiding places for fish (deep areas, fish caves, overhanging plants). Herons are persistent; multiple deterrent methods work better than any single approach.
Should I remove my pump for winter?
For most Chicago ponds, yes. Remove pumps before hard freeze, clean thoroughly, and store in a bucket of water in a location that will not freeze (basement, heated garage). Some owners run pumps through winter for continuous waterfall operation, but this requires careful attention to prevent ice dam formation and is generally not recommended for most residential ponds.
How much maintenance does a pond actually require?
Realistic expectations: during the active season (April-October), most ponds need 30-60 minutes of attention weekly for basic care feeding, debris removal, equipment checks, visual monitoring. Seasonal tasks (spring cleaning, fall prep, winterization) require more intensive effort. Professional maintenance programs handle most or all of this for owners who prefer hands-off enjoyment.
Is pond maintenance easier with a larger or smaller pond?
Larger ponds are more stable (temperature, water chemistry) but require more time for physical maintenance tasks. Smaller ponds are quicker to clean but more vulnerable to rapid changes. Neither is inherently “easier” ; they present different challenges. Most experienced pond keepers find mid-sized ponds (2,000-5,000 gallons) offer a good balance.
Investing in Your Pond’s Health
Chicago’s challenging climate makes pond maintenance more demanding than in milder regions. But the reward for that effort is a water feature that thrives despite and sometimes because of our dramatic seasons. A properly maintained pond offers year-round interest: the excitement of spring startup, the lush beauty of summer, the rich colors of fall, and even the quiet serenity of a winter pond with fish visible beneath the ice.
Whether you handle maintenance yourself or work with professionals, understanding what Chicago ponds need helps you make informed decisions about their care. The investment in proper maintenance pays dividends in pond health, fish survival, aesthetic appeal, and your own enjoyment of the feature you worked hard to create.
Midwest Pond Features provides comprehensive pond and lake maintenance throughout the Chicago metropolitan area, including the North Shore, DuPage County, and greater Chicagoland. From small backyard water gardens to HOA lakes and commercial features, we have the experience and expertise to keep your water feature healthy and beautiful through Chicago’s demanding seasons.
Contact us at (630) 407-1415 or through our website to discuss maintenance services for your pond or lake. Whether you need spring cleaning, ongoing maintenance programs, or help solving persistent problems, we are ready to help your water feature thrive.
