Pond Algae Control Services
Algae Control for ponds and water features across Lexington & Central Kentucky, from the team that builds them.
Algae ControlWhy Does Your Pond Have Algae Problems?Pond algae are a natural part of the ecosystem, but excessive growth can indicate an imbalance.See the details 
Algae Control20+ Years of Experience in Algae Control & Pond MaintenanceFor over 20 years, H2O Designs has helped pond owners across Lexington and Central KY restore clarity and balance to their water features.See the details 
Algae ControlCustom-Tailored Algae Treatment PlansThere is no one-size-fits-all solution when it comes to algae control.See the details One teamdesign to buildSay Goodbye to String Algae & Green Water with H2O Designs
A beautiful, clear pond is the centerpiece of any outdoor space, but excessive string algae or green pond water can quickly turn your tranquil retreat into a frustrating maintenance challenge. At H2O Designs, we specialize in helping pond owners across Lexington and Central KY resolve algae issues with effective, long-term solutions tailored to their unique ponds.
Everything You Should Know About Algae Control
The details we walk through with homeowners at every consultation, so you can make the right choice for your yard.
01Why Does Your Pond Have Algae Problems?
Pond algae are a natural part of the ecosystem, but excessive growth can indicate an imbalance. Common causes of uncontrolled algae growth include:
Excess Nutrients: Decaying leaves, fish waste, and uneaten fish food introduce excess nutrients, feeding algae blooms.
Lack of Proper Filtration: Inadequate filtration or a dirty filter can allow nutrients to accumulate.
Overexposure to Sunlight: Ponds with little to no shade encourage rapid algae growth.
Poor Circulation & Oxygen Levels: Stagnant water and low oxygen levels create the perfect environment for algae.
Imbalanced Fish Populations: Too many fish lead to excess waste, increasing nutrient levels and algae growth.
Seasonal Changes: Warm summer months promote algae blooms, while springtime nutrient spikes from runoff can also trigger outbreaks.
0220+ Years of Experience in Algae Control & Pond Maintenance
For over 20 years, H2O Designs has helped pond owners across Lexington and Central KY restore clarity and balance to their water features. We understand that no two ponds are alike, which is why we offer custom-tailored pond maintenance programs designed to target the specific factors causing your algae problems.
03Custom-Tailored Algae Treatment Plans
There is no one-size-fits-all solution when it comes to algae control. Successful algae management requires a combination of strategies, and our experts will evaluate your pond’s unique conditions before recommending the best approach. Treatment plans can take 4-8 weeks to show full effectiveness, but with the right strategy in place, you’ll achieve a healthier, clearer pond.
Our solutions include:
Beneficial Bacteria & Enzyme Treatments – Helps break down excess nutrients and organic debris naturally.
UV Clarifiers – Effective for controlling green water by eliminating free-floating algae.
Algaecides & Natural Treatments – Carefully applied to reduce algae without harming fish and plants.
Aeration Systems – Improves water circulation and oxygen levels to prevent algae growth.
Proper Filtration Upgrades – Ensuring your pond has the right filter for optimal water quality.
Aquatic Plants – Adding plants like water lilies and hyacinths to compete with algae for nutrients.
Regular Maintenance Programs – Ongoing care to keep your pond in peak condition year-round.
What We Check on Every Visit
Here is what we look at on every pond service visit.
Water quality
Clarity, algae and debris tell us how well the ecosystem is balanced.
Fish health
We check fish for stress and make sure they have the oxygen and space they need.
Equipment
Pumps, filters, skimmers and UV clarifiers are checked and cleaned.
Liner & edges
We look for leaks, low edges and settling rocks before they turn into bigger problems.
How our algae control service works
- 1Request service
Tell us about your pond or fountain, and send photos if you can.
- 2Inspection
We look at the water, fish, pumps, filters and liner to see what it needs.
- 3Service
Our crew does the work with fish-safe methods and the right equipment.
- 4Ongoing care
Seasonal visits and supplies from our store keep it healthy all year.
Testimonials
What Our Clients Say
Jeff converted my old pond to a pondless waterfall. It is gorgeous and I love the sound. The H2O crew was efficient and neat. If you want to add a water feature to your yard give Jeff a call.
Wide selection, friendly staff, well priced! Very happy with our new koi fish and recent service in Richmond to our pond! Will definitely be back! Thanks H2O Designs!
In middle of project with Jeff and his team. Greta design work and able to see out vision. They are dedicated to working all day to get project finished on time. Attention to detail is remarkable. Job site is cleaned up daily. So impressed with everything..great experience!
Keeping Your Pond Healthy All Year
Here is what a pond needs through the year.
- Spring
- A cleanout and startup sets the season up for clear water.
- Summer
- Beneficial bacteria, topping off and trimming plants keep it balanced.
- Fall
- Netting keeps leaves out and protects fish.
- Winter
- Keep a hole in the ice for gas exchange, or let us shut it down safely.
Recent ponds around Central Kentucky
More pond care services
From the H2O blog
Helpful articles & answers
Straight answers from our team about ponds, outdoor living and more.
Pond Algae Control Questions, Answered
Every tile is a real H2O Designs project. Tap one to read the answer.
String algae (or filamentous algae) appears as long, slimy strands that cling to rocks and waterfalls, while green water is caused by microscopic, free-floating planktonic algae. Both are common and natural, but H2O Designs uses different targeted treatments to control each type and restore clarity to your Central Kentucky pond.
Excessive growth is usually caused by an imbalance in the pond's ecosystem, primarily high nutrient levels (nitrates/phosphates) from fish waste, unremoved debris, and outside runoff. Warm temperatures and direct sunlight in the Lexington area also accelerate algae blooms.
Green water is best treated with a professional-grade UV sterilizer that is correctly sized for your pond, as well as a flocculant treatment to bind the microscopic algae into clumps that can be filtered out. H2O Designs provides and installs efficient UV systems for immediate and long-term clarity.
Yes. H2O Designs only uses professional-grade water treatments that are rigorously tested and completely safe for koi, other pond fish, and all aquatic plants when applied according to specific pond volume and fish load. Your aquatic life safety is our top priority.
Yes, string algae often thrives in the high-flow areas of waterfalls and streams. Our service includes applying targeted, fish-safe treatments directly to these areas and using specialized beneficial bacteria to prevent reattachment, ensuring your Central Kentucky water feature looks clean and natural.
Long-term prevention involves proper filtration, adequate aquatic plant coverage, regularPond Maintenance (like seasonal cleanouts), and ensuring the pond is not overpopulated with fish. H2O Designs providesPond Renovation and system upgrades to establish a sustainable, low-maintenance balance.
Aquatic plants, particularly marginal and submerged varieties, are the pond's natural competitors for nutrients. They starve out the algae by consuming excess nitrates and phosphates, making them a crucial component of any natural, balanced pond ecosystem.
A pond should be maintained routinely, with services like spring cleanouts to remove winter debris and regular application of beneficial bacteria during the warmer months. H2O Designs offers ongoingPond Maintenance programs to keep your Lexington-area water feature clear and healthy year-round.
Why Choose H2O Designs for Your Pond?
Get Expert Help with Your Pond Algae Issues
At H2O Designs, we’re committed to helping homeowners, businesses, and contractors throughout Lexington and Central KY maintain crystal-clear, algae-free ponds. Whether you have a koi pond, water garden, or a large natural pond, our expert team will develop a customized plan to restore and maintain water clarity.
Don’t let algae take over your pond – let us help you reclaim your water feature today!
- Call us now or visit our Pond Store in Nicholasville, KY, to discuss your algae control needs!
Aquascape certified
Trained in the ecosystem approach that keeps ponds clear and healthy.
Over 20 years of ponds
More than two decades caring for ponds and water features across Central Kentucky.
Fish come first
Fish are handled carefully and kept safe through every service.
Supplies on site
Our Nicholasville store stocks pumps, filters, treatments, plants and fish.
Let's Get Your Pond Back on Track
Sit down with our design team, at your home or at our store, to talk through ideas, materials and budget. No pressure, just a plan you can feel good about.
- We walk your space and listen first
- Material and layout ideas for your yard
- Clear next steps and financing options
Nicholasville, KYPond supplies, fish & plants in person
Our store and design center has full-size outdoor living displays, plus the largest selection of pond and water garden supplies in Central Kentucky. Come touch the materials, get ideas and talk with our team.
Algae Control Across Central Kentucky
From our home base in Nicholasville, we take care of ponds and water features for homeowners throughout Lexington and the surrounding Central Kentucky communities, including:
- Lexington
- Nicholasville
- Georgetown
- Versailles
- Richmond
- Danville
- Somerset
- Surrounding areas
Don't see your town? Give us a call at (859) 305-7049. If you're in Central Kentucky, there's a good chance we serve your area.