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The 8 Best algaecide for fountains of 2024

Are you trying to find algaecide for fountains among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling algaecide for fountains on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 16 hours of research and did 69 algaecide for fountains tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best algaecide for fountains you can buy today

SaleNo. 1
EasyCare 50008-2PK-B Clarifier, No Size
1,711 Consomer Reviews
EasyCare 50008-2PK-B Clarifier, No Size
  • 2 Bottles of FounTec Algaecide. 16 ounces total.
  • Algaecide clears pond and fountain water
  • Safe for plants, birds, and wildlife
  • NOT safe for fish
  • Keeps water crystal Clear
No. 2
Algaecide for Fountains – Clarify and Controls Algae for Large and Small Fountain - 32 oz (Quart)
  • ALGAE CONTROL – Say goodbye to fountain and pond algae! PondBliss Algecide cleans out and prevents algae growth, restoring color and clarity color to fountains and small ponds.
  • EFFECTIVE ALGAECIDE – Removes the most common green algae: string, hair, filamentous, chara, blanketweed and planktonic. Works quickly and see results within 3 to 4 weeks of treatment.
  • CLARIFIES AND MAINTAINS – PondBliss Algeacide is an easy to use solution that reduce your fountain and pond maintenance, by preventing algae growth and reducing water cleaning cycles. Spend more time enjoying your water features instead of maintaining them!
  • NOT FOR BIRDS OR PET FOUNTAINS - PondBliss Fountain Algaecide and Clarifier formula is an EPA registered algaecide that is safe when used diluted and used as directed. However, we do not recommend for use in fountains that are intended for birds or pets.
  • ONE YEAR TREATMENT - 32oz bottle provides full year of treatment for a 500 gallon fountain when used weekly or for treating up to a 1/4 acre pond. Great value for maintaining and protecting large fountains or small fountains.
No. 3
CrystalClear Algae D-Solv Pond Algae Control, Fast-Acting EPA Registered Algaecide, Use in Fountains & Outdoor Ponds Containing Koi & Other Fish, Treats 5,760 Gallons, 16 Ounces
  • Highly Effective Algaecide: Fast-acting, broad-spectrum algae remover effective in controlling many different types of algae including green water algae, string or hair algae, and blanketweed.
  • No More Green Water: Perfect for controlling existing algae blooms and getting your pond back on track to being clean and clear. An easy-to-use alternative to draining and scrubbing your entire pond.
  • Will Not Harm Koi & Ornamental Plants: Algae D-Solv contains no copper and will not harm fish or decorative plants when used as directed. Before using algae treatment, ensure pond has aeration.
  • Easy Application: Apply 1 fl oz Algae D-Solv per 360 gallons of water. Once pond algae growth is under control, weekly doses will control algae growth and reduce pond maintenance.
  • Variety of Applications: A great algae maintenance solution for fountains, self-contained aquariums, backyard ponds, lined water gardens, and decorative ponds without any outflow.
No. 4
Bloom Buster Pond Algae Control - 16oz - Fast Acting Algaecide, Use in Fountains & Outdoor Ponds Containing Koi & Other Fish - EPA Registered
111 Consomer Reviews
Bloom Buster Pond Algae Control - 16oz - Fast Acting Algaecide, Use in Fountains & Outdoor Ponds Containing Koi & Other Fish - EPA Registered
  • For small ponds with heavy algae growth, clean the excess algae off the sides and ornaments before adding Bloom Buster Liquid Algae Control.
  • This bottle treats 5,760 gallons of water.
  • Use 1/2 tsp to treat 30 gallons of water. Repeat dosage once per week for maintenance.
  • Effectively controls these types of freshwater algae: Green or Green water algae , Blue-Green algae, Black Beard algae, String or Hair algae, Blanket weed, in ornamental ponds and fountains containing live plants and fish.
  • Algae growth can appear as green water blooms, filamentous algae on plants, floating algal mats (blanket weed), algae, brown growth on ornaments, rocks, fountains, and waterfalls. Can be used with clarifiers. Can be used with pond dyes.
  • Before use, make certain that the body of water has vigorous aeration; thoroughly mix into body of water and disperse evenly; Repeat dose every three days until algae is controlled; dose weekly to keep pond or fountain clean and clear and to reduce maintenance
  • This is an EPA registered Algaecide that will not harm fish, plants, surrounding wildlife and pets when used as directed
SaleNo. 5
Fountain Algaecide and Clarifier - Gallon - Kills and Inhibits All Types of Algae Growth, Formulated for Small Ponds and Water Features, Treats up to 128,000 Gallons
  • Fountain Algae Control Solution Gallon, 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
No. 6
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
SaleNo. 7
TotalPond 54097 Algaecide for Ponds, Black Height : 8.69 Width : 2.56 Depth : 2.56
77 Consomer Reviews
TotalPond 54097 Algaecide for Ponds, Black Height : 8.69 Width : 2.56 Depth : 2.56
  • Fast-acting Algaecide restores the health of your pond by preventing green water and algae growth.
  • A 16 oz. bottle treats up to 4,730 gallons of water.
  • TotalPond Algaecide is EPA-registered and safe for fish and plants.
SaleNo. 8
BioSafe Systems 3002-8 GreenClean Granular Algaecide String Algae Control for Koi Ponds, Fountains, Waterfalls, Water Features on Contact, 8 lbs, EPA Registered
  • 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, fountains, or water features; this product can be used while your pond is stocked.
  • 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 pond or water feature is fully stocked; kill algae and improve water quality while your fish and plants thrive.
  • 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 fish or plants and targets the algae in your pond.
  • 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 proper treatment, releasing oxygen to your water feature.
  • TREATS TWO ALGAES: GreenClean Granular Algaecide is effective and offers immediate results when eliminating blue-green and string algae; It kills on contact and works best when applied in the early morning hours on calm, sunny days.
No. 9
Green X – 1lb - String Algae Remover for Koi Ponds, Fountains, Waterfalls, Water Features- Safe for Fish Contact Algae Control- Treats up to 16,000 Gallons - Concentrated Granular Algaecide
  • For control of algae in ponds, water gardens, water features, standing water, watering tanks, storage tanks and water collectors
  • Broadcast this product directly on to the water surface, from shore or dissolve and spray any algae matted at surface. Water features equipped with an aerator, or a waterfall that creates turbulence facilitates rapid and adequate mixing when treating entire water volume
  • Remove organic matter that rises to the surface. Unremoved organic matter can stimulate re-growth
  • For best results, apply in the morning hours when the water is warm; sunlight and higher water temperatures accelerate algaecides activity
  • Copper Free Formulation, Safe for all plants, fish, wildlife, domestic & wild animals
  • Begins working immediately, results will be visible within 48 hours
  • 1lb of granular algaecide that treats up to 16,000 gallons of water
No. 10
Bloom Buster Pond Algae Control - 64oz - Fast Acting Algaecide, Use in Fountains & Outdoor Ponds Containing Koi & Other Fish - EPA Registered
  • For small ponds with heavy algae growth, clean the excess algae off the sides and ornaments before adding Bloom Buster Liquid Algae Control.
  • This bottle treats 23,040 gallons of water.
  • Use 1/2 tsp to treat 30 gallons of water. Repeat dosage once per week for maintenance.
  • Effectively controls these types of freshwater algae: Green or Green water algae , Blue-Green algae, Black Beard algae, String or Hair algae, Blanket weed, in ornamental ponds and fountains containing live plants and fish.
  • Algae growth can appear as green water blooms, filamentous algae on plants, floating algal mats (blanket weed), algae, brown growth on ornaments, rocks, fountains, and waterfalls. Can be used with clarifiers. Can be used with pond dyes.
  • Before use, make certain that the body of water has vigorous aeration; thoroughly mix into body of water and disperse evenly; Repeat dose every three days until algae is controlled; dose weekly to keep pond or fountain clean and clear and to reduce maintenance
  • This is an EPA registered Algaecide that will not harm fish, plants, surrounding wildlife and pets when used as directed

How to choose a good algaecide for fountains

Does the idea of finding a fantastic algaecide for fountains make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in algaecide for fountains. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top algaecide for fountains products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top algaecide for fountains on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top algaecide for fountains brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top algaecide for fountains based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the algaecide for fountains were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good algaecide for fountains, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your algaecide for fountains.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting algaecide for fountains for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our algaecide for fountains. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what algaecide for fountains should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on algaecide for fountains.