20 Best Pond Algaecides [2024]

Are you looking for the best pond algaecides? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling pond algaecides.

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# Preview Product
1 API POND ALGAEFIX Algae Control 1-Gallon Bottle API POND ALGAEFIX Algae Control 1-Gallon Bottle
2 API POND ALGAEFIX Algae Control 32-Ounce Bottle, FISHAQUARI (169G) API POND ALGAEFIX Algae Control 32-Ounce Bottle, FISHAQUARI (169G)
3 API POND ALGAEFIX Algae Control 16-Ounce Bottle (169B) API POND ALGAEFIX Algae Control 16-Ounce Bottle (169B)
4 TotalPond A20036 Pond Algaecide, 32-Ounce TotalPond A20036 Pond Algaecide, 32-Ounce
5 CrystalClear Algae D-Solv – EPA Registered Algaecide – Safe for Fish and Plants: 64 Ounces... CrystalClear Algae D-Solv – EPA Registered Algaecide – Safe for Fish and Plants: 64 Ounces...
6 BioSafe Systems 3002-8 GreenClean Granular Algaecide, 8 Pounds BioSafe Systems 3002-8 GreenClean Granular Algaecide, 8 Pounds
7 CrystalClear Algae D-Solv Pond Algae Control Treatment, for Cleaner & Clearer Pond Water, EPA... CrystalClear Algae D-Solv Pond Algae Control Treatment, for Cleaner & Clearer Pond Water, EPA...
8 EasyCare FounTec Algaecide and Clarifier, 8 oz. Bottle EasyCare FounTec Algaecide and Clarifier, 8 oz. Bottle
9 Fountain Algaecide and Clarifier - 8oz - Kills and Inhibits All Types of Algae Growth, Formulated... Fountain Algaecide and Clarifier - 8oz - Kills and Inhibits All Types of Algae Growth, Formulated...
10 Cutrine Plus Granulated Algaecide, 30 lbs Cutrine Plus Granulated Algaecide, 30 lbs
11 Cutrine-Plus Algaecide, 1 gal Cutrine-Plus Algaecide, 1 gal
12 Fountain Algaecide and Clarifier - 32oz - Kills and Inhibits All Types of Algae Growth, Formulated... Fountain Algaecide and Clarifier - 32oz - Kills and Inhibits All Types of Algae Growth,...
13 Fountain Algaecide and Clarifier - 64oz - Kills and Inhibits All Types of Algae Growth, Formulated... Fountain Algaecide and Clarifier - 64oz - Kills and Inhibits All Types of Algae Growth,...
14 EasyCare FounTec Algaecide and Clarifier EasyCare FounTec Algaecide and Clarifier
15 Crystal Blue Copper Sulfate Algaecide - Aquatic Grade Granular Pond Algae Control - 5 lbs Crystal Blue Copper Sulfate Algaecide - Aquatic Grade Granular Pond Algae Control - 5 lbs
16 Cutrine-Plus Aquatic Algaecide 2.5 gal Cutrine-Plus Aquatic Algaecide 2.5 gal
17 CrystalClear Algae D-Solv - EPA Registered Algaecide - Safe for Fish and Plants: 1 Gallon Treats... CrystalClear Algae D-Solv - EPA Registered Algaecide - Safe for Fish and Plants: 1 Gallon Treats...
18 Captain Liquid Algaecide Captain Liquid Algaecide
19 API POND ALGAEFIX Algae Control 8-Ounce Bottle API POND ALGAEFIX Algae Control 8-Ounce Bottle
20 Bubblestand/Ripped Pants Bubblestand/Ripped Pants
SaleBestseller No. 1
API POND ALGAEFIX Algae Control 1-Gallon Bottle
  • Contains one (1) API POND ALGAEFIX Algae Control 1-Gallon Bottle; treats up to 38,400 U.S Gallons
  • Helps resolve algae problems and controls the formation of new algae; works fast; effectively controls most types of algae including green water...
  • This EPA-registered pond algaecide will not harm fish, plants, surrounding wildlife and pets when used as directed
  • Does not contain copper
  • Before use, make certain that the pond/fountain has vigorous aeration; thoroughly mix into pond/fountain water and disperse evenly; Repeat dose every...
SaleBestseller No. 2
API POND ALGAEFIX Algae Control 32-Ounce Bottle, FISHAQUARI (169G)
  • Contains one (1) API POND ALGAEFIX Algae Control 32-Ounce Bottle
  • Effectively controls green water algae, string and hair algae, blanketweed algae
  • Controls green water to keep pond water clean and clear in ornamental ponds and water gardens
  • Will not harm fish and plants when used as directed.
  • Dose every three days until algae is controlled and then treat weekly
SaleBestseller No. 3
Bestseller No. 4
TotalPond A20036 Pond Algaecide, 32-Ounce
  • Fast acting, will stop algae growth in pond water
  • Will not harm fish or live ornamental plants
  • Helps balance pond water
  • 32-Ounce bottle
Bestseller No. 5
CrystalClear Algae D-Solv – EPA Registered Algaecide – Safe for Fish and Plants: 64 Ounces...
  • No More Green Water: CrystalClear Algae D-Solv is an EPA registered algaecide that targets string algae, blanket-weed and green water
  • Stop Algae Growth Fast: Apply when needed for a quick fix to kill active algae blooms, then weekly to control growth and reduce maintenance
  • Safe for Fish and Ornamental Plants: When used as directed,Algae D-Solv will not harm fish, plants, pets or pond wildlife
  • Treats Enclosed Ponds and Aquariums up to 23,040 Gallons: Designed for use in self-contained aquariums, fountains without any outflow and ornamental...
  • Quality You Can Trust: More than 20 years of experience looking after ponds and lakes like yours
SaleBestseller No. 6
BioSafe Systems 3002-8 GreenClean Granular Algaecide, 8 Pounds
  • GREENCLEAN GRANULAR ALGAECIDE: This 8-pound bucket treats and controls algae in up to 16,000 gallons of water for your in-home or residential ponds,...
  • IDEAL FOR PONDS WITH FISH AND AQUATIC LIFE: This product is not harmful to fish or aquatic plants when used as directed and can be used while your...
  • CLEAN FORMULA: Our clean formula is a great alternative to harsh chemicals and it is chlorine, copper, and phosphate-free; that means it won’t harm...
  • WORKS FAST: This product is quick and efficient and begins working on contact, killing algae fast; you'll see full results in 24 to 48 hours after...
  • TREATS TWO ALGAES: GreenClean Granular Algaecide is effective and offers immediate results when eliminating blue-green and string algae; It kills on...
Bestseller No. 7
CrystalClear Algae D-Solv Pond Algae Control Treatment, for Cleaner & Clearer Pond Water, EPA...
  • No More Green Water: CrystalClear Algae D-Solv is an EPA registered algaecide that targets string algae, blanket-weed and green water
  • Stop Algae Growth Fast: Apply when needed for a quick fix to kill active algae blooms, then weekly to control growth and reduce maintenance
  • Safe for Fish and Ornamental Plants: When used as directed, Algae D-Solv will not harm fish, plants, pets or pond wildlife
  • Treats Enclosed Ponds and Aquariums up to 5,760 Gallons: Designed for use in self-contained aquariums, fountains without any outflow and ornamental...
  • Quality You Can Trust: More than 20 years of experience looking after water gardens and koi ponds like yours
SaleBestseller No. 8
EasyCare FounTec Algaecide and Clarifier, 8 oz. Bottle
  • Fountec is a powerful formula that kills all types of algae and prevents regrowth to keep your water ultra clear.
  • Fountec is water treatment that eradicates yellow and black algae. Remove and kill clinging or stubborn algae with minimal brushing.
  • Clarifies water with a non-foaming and non-staining formula.
  • Put an end to your weekly chlorine additives and chemical testing.
  • Fountec is safe for plants, birds, and animals to drink treated water. (Not safe for aquatic life)
SaleBestseller No. 9
Fountain Algaecide and Clarifier - 8oz - Kills and Inhibits All Types of Algae Growth, Formulated...
  • Fountain Algae Control Solution 8-Ounce Bottle. Also available in 32 oz. and 64 oz. bottles. DO NOT USE WITH FISH
  • Effectively eliminates green water algae, string and hair algae, blanketweed algae and others. Non-hazardous, non-staining, and non-foaming when used...
  • Controls green water to keep pond water clean and clear in ornamental ponds and water gardens
  • Use only as directed to keep water safe for pond plants, surrounding wildlife and pets. Not safe for fish
  • Dose every three days until algae is controlled and then treat weekly. Maintain by using .75 oz. of product per 1,000 gallons of water every 5 days
Bestseller No. 10
Cutrine Plus Granulated Algaecide, 30 lbs
  • Rapid sinking granules for targeted delivery to bottom-growing algae
  • Visible reduction of algae growth 1-2 days
  • Chelating agents prevent the precipitation of copper with carbonates and bicarbonates in the water for longer activity
  • Stays active in the water longer than copper sulfate
  • Ideal for algae in deeper waters or bottom growing algae - use Cutrine Plus Algaecide (liquid) for algae on the surface or in the water column
SaleBestseller No. 11
Cutrine-Plus Algaecide, 1 gal
  • Effective control of forms planktonic and filamentous algae
  • ALGAE CONTROL USED BY THE PROS - WORKS FAST: Visible reduction in algae growth 1 – 2 days after application. Shows fast results on most types of...
  • DOUBLE CHELATED FORMULA: Double chelated formula prevents the precipitation of copper with carbonates and bicarbonates in the water
  • RECOMMENDED USE: Lakes, potable water reservoirs, ponds, fish hatcheries and raceways, crop and non-crop irrigation conveyance systems (ditches,...
  • Ideal for algae on the surface or in the water column. Works in hard water.
Bestseller No. 12
Fountain Algaecide and Clarifier - 32oz - Kills and Inhibits All Types of Algae Growth, Formulated...
  • Fountain Algae Control Solution 32-Ounce Bottle, Not Safe For Fish
  • Effectively eliminates green water algae, string and hair algae, blanketweed algae and others
  • Controls green water to keep pond water clean and clear in ornamental ponds and water gardens
  • Use only as directed to keep water safe for pond plants, surrounding wildlife and pets
  • Dose every three days until algae is controlled and then treat weekly
Bestseller No. 13
Fountain Algaecide and Clarifier - 64oz - Kills and Inhibits All Types of Algae Growth, Formulated...
  • Fountain Algae Control Solution 64-Ounce Bottle, Not Safe For Fish
  • Effectively eliminates green water algae, string and hair algae, blanketweed algae and others
  • Controls green water to keep pond water clean and clear in ornamental ponds and water gardens
  • Use only as directed to keep water safe for pond plants, surrounding wildlife and pets
  • Dose every three days until algae is controlled and then treat weekly
Bestseller No. 14
EasyCare FounTec Algaecide and Clarifier
  • Algaecide clears pond and fountain water
  • Safe for plants, birds, and wildlife
  • NOT safe for fish
  • Use in water features, indoors or out
  • Keep water free of mosquitos
SaleBestseller No. 15
Crystal Blue Copper Sulfate Algaecide - Aquatic Grade Granular Pond Algae Control - 5 lbs
  • 99% Copper Sulfate Pentahydrate
  • Controls most species of algae like filamentous, string algae and swimmers itch
  • Most effective when cast out on top of thick floating algae mats
  • Granular Copper Sulfate, 5 Lbs
  • Do Not Use with KOI or Goldfish
Bestseller No. 16
Cutrine-Plus Aquatic Algaecide 2.5 gal
  • Effective control of forms planktonic and filamentous algae
  • ALGAE CONTROL USED BY THE PROS - WORKS FAST: Visible reduction in algae growth 1 – 2 days after application. Shows fast results on most types of...
  • DOUBLE CHELATED FORMULA: Double chelated formula prevents the precipitation of copper with carbonates and bicarbonates in the water
  • RECOMMENDED USE: Lakes, potable water reservoirs, ponds, fish hatcheries and raceways, crop and non-crop irrigation conveyance systems (ditches,...
  • Ideal for algae on the surface or in the water column. Works in hard water.
Bestseller No. 17
CrystalClear Algae D-Solv - EPA Registered Algaecide - Safe for Fish and Plants: 1 Gallon Treats...
  • No More Green Water: CrystalClear Algae D-Solv is an EPA registered algaecide that targets string algae, blanket-weed and green water
  • Stop Algae Growth Fast: Apply when needed for a quick fix to kill active algae blooms, then weekly to control growth and reduce maintenance
  • Safe for Fish and Ornamental Plants: When used as directed,Algae D-Solv will not harm fish, plants, pets or pond wildlife
  • Treats Enclosed Ponds and Aquariums up to 46,080 Gallons: Designed for use in self-contained aquariums, fountains without any outflow and ornamental...
  • Quality You Can Trust: More than 20 years of experience looking after ponds and lakes like yours
Bestseller No. 18
Captain Liquid Algaecide
  • FAST: This is a fast acting algaecide that starts to break down algae in 6 hours.
  • MAKE LIFE EASIER: This product does not have any fishing, swimming, or drinking restrictions.
  • Cannot be shipped to AK, CA, CT, HI, ME, NJ, NY, WA or Canada. Orders placed from these areas will be cancelled.
SaleBestseller No. 19
API POND ALGAEFIX Algae Control 8-Ounce Bottle
  • Contains one (1) API POND ALGAEFIX Algae Control 8-Ounce Bottle; treats up to 2,400 U.S Gallons
  • Helps resolve algae problems and controls the formation of new algae; works fast; effectively controls most types of algae including green water...
  • This EPA-registered pond algaecide will not harm fish, plants, surrounding wildlife and pets when used as directed
  • Does not contain copper
  • Before use, make certain that the pond/fountain has vigorous aeration; thoroughly mix into pond/fountain water and disperse evenly; Repeat dose every...
Bestseller No. 20
Bubblestand/Ripped Pants
  • Amazon Prime Video (Video on Demand)
  • Tom Kenny, Rodger Bumpass, Bill Fagerbakke (Actors)
  • Paul Tibbitt (Director) - Stephen Hillenburg (Writer) - Stephen Hillenburg (Producer)
  • English (Playback Language)
  • English (Subtitle)

Having trouble finding a great pond algaecides?

This problem is well understood by us because we have gone through the entire pond algaecides research process ourselves, which is why we have put together a comprehensive list of the best pond algaecidess available in the market today.

After hours of searching and using all the models on the market, we have found the best pond algaecides for 2023. See our ranking below!

How Do You Buy The Best Pond Algaecides?

Do you get stressed out thinking about shopping for a great pond algaecides? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching pond algaecides, which is why we have assembled a comprehensive list of the greatest pond algaecides available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for pond algaecides that you consider buying. Your questions might include the following:

  • Is it worth buying an pond algaecides?
  • What benefits are there with buying an pond algaecides?
  • What factors deserve consideration when shopping for an effective pond algaecides?
  • Why is it crucial to invest in any pond algaecides, much less the best one?
  • Which pond algaecides are good in the current market?
  • Where can you find information like this about pond algaecides?

We’re convinced that you likely have far more questions than just these regarding pond algaecides, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for pond algaecides, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible pond algaecides. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an pond algaecides buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available pond algaecides currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of pond algaecides has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an pond algaecides?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your pond algaecides.
  5. Customer Ratings: Number ratings grade pond algaecides objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their pond algaecides.
  7. Product Quality: You don’t always get what you pay for with an pond algaecides, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an pond algaecides is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining pond algaecides information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding pond algaecides is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

FAQ:

Q: What is the best treatment for pond algae?

A: GreenClean Algaecide. Cutrine Plus Algaecide. API Pond ALGAEFIX Algae Control. TotalPond Algaecide.

Q: How to use a pond algaecide safely?

A: – NOTE: WE ARE CURRENTLY UNABLE TO SHIP SUPER ALGAECIDE TO THE STATE OF CALIFORNIA.. We apologize for the inconvenience. – Provides superior algae-fighting power with long lasting effects – Safe enough to swim directly after use – Contains 7.1% Chelated Copper (chelated to protect from staining) – Non-foaming formula, with no odor

Q: How to get rid of algae in a pond?

A: beneficial bacteria aerator skimmer lake rake aquatic sun blocker or pond dye deicer for the winter

Q: Which is the best algaecide for fountains?

A: Best Algaecide For Fountains That Is Bird Safe Many individuals used the algaecide 60 previously, so you can take full advantage of what they should say about it. If you would like to learn what other people want to say about algaecide 60, keep reading this post.

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