API Pond Algaefix Algae Control Solution
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API Pond Algaefix is a powerful water treatment that helps keep algae growth under control for your underwater sidekicks. It's specially designed for areas where the water is contained without any outflow like synthetically lined ponds, water gardens and fountains. This fast-acting algicide is effective for many types of algae including green or green water algae, string or hair algae and blanketweed in ornamental ponds. So, help keep your water clean and clear for your favorite finned friends with API's solutions.
Key Benefits- Effectively controls green water algae, string or hair algae and blanketweed in ornamental ponds.
- Helps keep ponds, water gardens and ponds clean and clear.
- Algaecide controls existing algae and helps resolve additional algae blooms.
- This algae solution is safe for live plants and pond fish.
- Do not use with freshwater crustaceans, including shrimp, crabs and lobsters.
For synthetically lined pond and fountain use only, where all water is contained without any outflow. Before using, make certain that the pond has vigorous aeration, i.e. a fountain or aeration device to avoid fish loss due to low oxygen levels. When algae is controlled and removed by the filter or settles to the bottom of the pond, the oxygen level may drop to harmful levels if adequate aeration is not provided. In warm weather, pond water carries much less oxygen. Therefore, when using during warm weather and high water temperatures, vigorous, 24 hour aeration is required for the duration of the treatment. Do not shut off pond pumps and aeration devices at night. Caution: Do not use with freshwater crustaceans, including: shrimp, crabs, and lobsters.
HAZARDS TO HUMANS & ANIMALS: Harmful if swallowed or absorbed through the skin. Avoid contact with skin, eyes or clothing. Wash thoroughly with soap and water after handling.
For synthetically lined pond and fountain use only, where all water is contained without any outflow. Before using, make certain that the pond has vigorous aeration, i.e. a fountain or aeration device to avoid fish loss due to low oxygen levels. When algae is controlled and removed by the filter or settles to the bottom of the pond, the oxygen level may drop to harmful levels if adequate aeration is not provided. In warm weather, pond water carries much less oxygen. Therefore, when using during warm weather and high water temperatures, vigorous, 24 hour aeration is required for the duration of the treatment. Do not shut off pond pumps and aeration devices at night. Caution: Do not use with freshwater crustaceans, including: shrimp, crabs, and lobsters. Store in a cool, dry place.
Special Note
1-gallon bottle treats up to 38400 gallons.
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Item Number104356
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Aquarium TypePond
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Fish TypeKoi & Pond Fish
To ensure accurate dosing, determine pond volume before use. Add 1 teaspoon for each 50 US gallons of pond/fountain water or 1/4 cup for each 600 gallons of pond or fountain water. Thoroughly mix into pond water by adding near the pump outflow, waterfall, or aeration device. It can be mixed in a bucket of pond/fountain water and dispersed evenly around the pond. Repeat dose every 3 days until algae is controlled. Be prepared to siphon out dead filamentous algae. Once algae growth is under control, add one dose per week. Weekly treatments will control algal growth and reduce pond maintenance.
Should API ALGAEFIX and ECOFIX be used at the same time, or should sludge remover be added after all the API ALGAEFIX treatments are completed?
It is best to use API ALGAEFIX on its own until algae is under control.
How much API ALGAEFIX is needed per gallon?
To ensure accurate dosing of API ALGAEFIX, determine pond volume before use. Add 1 teaspoon for each 50 U.S. gallons of pond/fountain water, or ¼ cup for each 600 gallons. Thoroughly mix into pond water by adding near the pump outflow, waterfall, or aeration device. API POND ALGAEFIX may be mixed in a bucket of the pond/fountain water and dispersed evenly around the pond. Repeat dose every 3 days until algae is controlled. Be prepared to siphon out dead algae. Once algae growth has subsided, add one dose of API POND ALGAEFIX per week, as weekly treatments will control algal growth and reduce pond maintenance.
Can API® ALGAEFIX be used in concrete fountains?
API ALGAEFIX is designed for use in synthetic-lined ponds and fountains only.
Can API ALGAEFIX be used around aquatic turtles?
API ALGAEFIX can be used in a turtle habitat. Do not use in aquariums that house crustaceans such as shrimp, crabs, or lobsters.
Is API ALGAEFIX OK to use with a Plecostomus and a Catfish in the tank?
Your fish can remain in the aquarium when you treat using API ALGAEFIX. Do not use with crustaceans.
My aquarium has been affected by a major algae bloom. Do you carry a product that kills algae, but does not kill snails?
We’d recommend API ALGAEFIX MARINE aquarium algaecide, which will not harm marine fish, corals, or invertebrates (snails).
Can this API ALGAEFIX be used with aquarium plants?
API ALGAEFIX is safe for use with aquarium plants.
Can API ALGAEFIX be used in freshwater tanks?
Yes, API ALGAEFIX may be used in freshwater aquariums.
Solutions for a Healthier Pond
If you want your pond to thrive, you can trust API to deliver everything you need—not just to get started, but to keep your fish healthy and active year-round. With reliable water test kits, fish medications and water conditioners, they make it much easier to maintain your fish pond so you can enjoy the tranquil ambiance it brings to your backyard landscape.
First-Rate Water Treatments
Maintaining the perfect pond in your outdoor oasis is a much easier task with API's water conditioners and algaecides. They've taken out the guesswork with proven treatments that keep everything in perfect balance. Pond Stress Coat protects your beautiful Koi and Goldfish, while Pond Algaefix helps control algae growth. With the help of Pond ACCU-Clear and Chlorine & Heavy Metal Neutralizer, the water will stay clear and safe for your fish.
Keeping the Balance
Regular water testing will keep your pond serene and picturesque, with fish that are active and lively. The Pond Master Test Kit measures the most important levels, including pH, ammonia, nitrite and phosphates. It's good for routine pond care and for diagnosing and solving any water quality issues. For fast and easy testing without having to use a separate test vial, try the 5-in-1 Pond Test Strips that come with precise color-matching charts.
Problem-Solving Medications
The fish in your pond can get sick, too, and if they do, you'll want to be ready to fix the problem as soon as you can. Pond Melafix is an all-natural, fast-acting remedy that works rapidly to treat bacterial infections, and it's safe for snails, plants and other pond dwellers. To keep your fish swimming strong, add Pond Salt to improve gill function, replenish electrolytes and reduce stress.
About API
Through extensive and continuous research and development, API created quality products for all levels of fishkeeping. As people who are passionate about fish care, they understand the rewards of keeping up a successful pond or aquarium. With easy-to-read guides and premium treatments, foods, filters and testing equipment, API helps aquarists establish and maintain an environment where fish can flourish.
Customer Reviews
91% Recommend
91% of reviewersrecommend this product
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70 Reviews
Showing 1-10 of 70 Reviews
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No death and destruction
By Unhappy on Sep 25, 2020
Pond still full algea. Received it on 9/10 and put the first treatment in on that date. I have a 1200 gallon pond and so 4oz per treatment. I have been doing this every 3 days per the instructions and have vacuum the pond 2x already to make sure there is no dead stuff or waste feeding the algae. Am getting ready to put another treatment today and vacuum, but now I don't think there is a point as I see little that needs vacuuming. I have Koi in the pond and at least they have had no issues or death. Only reason I did not give it 1 star is because the algae has not gotten worse and am trying to stay optimistic after spending $107 that at least it's helping out a bit.
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Algaefix for ponds
By Rhett on Aug 3, 2020
I had a bad algae bloom in my 200 gallon sugar kettle that I use as my pond for my fish. I read many comments about it killing fish but decided to try it anyway. The other methods I used didn’t work. I underdose the pond on purpose. I used about 5 1/2 ml for my pond and waited three days and dose again and after 3 weeks my water looks great and my fish never died from it. I have tropical fish in my pond.
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Best Stuff Ever
By MamaHawk on Jun 15, 2020
There are innumerable products on the market that claim to rid a garden pond of algae. This is the only product with which we have had success . . . complete success! I dose the pond once a week according to the directions, and that's it. No other work to do. I LOVE this stuff.
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It really gets rid of algae fast
By JohnM on Sep 9, 2020
Definitely noticed a difference even on the rocks in the pond. Super fast shipping from Chewy. Thanks.
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Don’t overdose!!!
By Sheri on Jun 16, 2020
My husband misjudged the dosage and apparently we overdosed our koi pond and half of them died. We had to drain and refill our pond to save the others. I have no idea if it would have worked on the algae and now I am too afraid to try it again.
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pond algea
By Lyzzi on Jun 21, 2020
Love this stuff, really knocks down the algea, I have a 1/2 pond and we did not get enough rain to fill the pond to overflow so I needed to add more water and aerate it more often and the algea was blooming so this really helped
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Product damaged
By Damaged on Aug 18, 2020
Product seems to have been dropped. Top broken. Just left hurryly at doorway.
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Always gets the job done
By John8 on May 17, 2020
It seems like every spring the algae starts a little take over in the pond. I have a 9000 gallon pond and one bottle of this pretty much wraps it up for the rest of the year.
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Excellent product
By DeeKaySss on Aug 19, 2020
This has turned our pond around & the fish are much happier now!
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Koi Pond chemical
By Johnny on Jun 13, 2020
Works as advertised and the price was very good. If used once per week will take care of our pond without any issues.
