Best Pond Algaecides In April 2025

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Buy the Best Pond Algaecides for your needs. Choose from the Best Pond Algaecides on the market. Pick the one that satisfies your need.

To help you in your search, we have completed this list of the Best Pond Algaecides.

Top Rated Best Pond Algaecides Of 2025

Rank	Product Name	Score
1	API POND ALGAEFIX Algae Control 32-Ounce Bottle, FISHAQUARI (169G) Buy Now	9.7 Buy Now
2	EasyCare FounTec Algaecide and Clarifier, 8 oz. Bottle Buy Now	9.5 Buy Now
3	Blue Lake and Pond Dye - 1 Gallon Buy Now	9.1 Buy Now
4	CrystalClear Algae D-Solv - EPA Registered Algaecide - 16 Ounces Treats 5,760 Gallons Buy Now	8.8 Buy Now
5	Sanco Industries Crystal Blue Pond Booster - Royal Blue Pond Dye & Bacteria Buy Now	8.6 Buy Now
6	POND BOSS 871980010132 Algaecide, 16 oz, White Buy Now	8.3 Buy Now
7	Applied Biochemists 38005901015 76513 Cutrine-Plus Professional Strength Aquatic Algaecide, 1 gal Buy Now	8.1 Buy Now
8	Microbe Lift 32-Ounce Pond Algaway 5.4 ALGA32 Buy Now	7.8 Buy Now
9	BioSafe Systems Greenclean Granular Algaecide 20 Lb Buy Now	7.5 Buy Now
10	Applied Biochemists 390225A Cutrine-Plus Aquatic Algaecide 2.5 gal Buy Now	7.2 Buy Now

1. API POND ALGAEFIX Algae Control 32-Ounce Bottle, FISHAQUARI (169G)

• Dose every three days until algae is controlled and then treat weekly
• Effectively controls green water algae, string and hair algae, blanketweed algae
• Contains one api pond algaefix algae control 32-ounce bottle
• Will not harm fish and plants when used as directed.
• Controls green water to keep pond water clean and clear in ornamental ponds and water gardens

2. EasyCare FounTec Algaecide and Clarifier, 8 oz. Bottle

• Safe for plants, birds, and wildlife
• Use in water features, indoors or out
• Algaecide clears pond and fountain water
• Keep water free of mosquitos
• Not safe for fish

3. Blue Lake and Pond Dye - 1 Gallon

• Maintains color and clarity for up to 30 days
• 1 gallon treats 1 acre 4-6 ft. deep
• Helps settle out dissolved solids
• Clears up muddy ponds
• 100% safe for humans, fish, lifestock, pets, birds, swimming, and potable water

4. CrystalClear Algae D-Solv - EPA Registered Algaecide - 16 Ounces Treats 5,760 Gallons

• 16 oz bottle treats up to 5,760 gallons
• Great for water garden ponds, waterfalls & fountains
• Stops algae growth, works on string algae
• No more green water
• Fast-acting epa registed 5.4% algaecide

5. Sanco Industries Crystal Blue Pond Booster - Royal Blue Pond Dye & Bacteria

• 2 in 1, contains royal blue pond dye & natural pond cleaning bacteria
• Helps break down dead leaves and weeds on the pond floor
• 100% safe for humans, fish, livestock, pets, birds, swimming, potable water and irrigation
• Maintains color and clarity all year long. helps settle out dissolved solids
• 1 gallon treats 1 surface acre, 4 - 6 feet deep

6. POND BOSS 871980010132 Algaecide, 16 oz, White

• Stops algae growth
• Safe for fish and plants
• Fast acting

7. Applied Biochemists 38005901015 76513 Cutrine-Plus Professional Strength Aquatic Algaecide, 1 gal

• Benefits: visible reduction in algae growth 1-2 days after application of the algaecide
• Features: contains a professional grade 9% metallic copper equivalent, contains chelated copper which stays in solution to continue controlling a broad range of algae well after application
• Compatibility: works in hard water, no not use in waters containing koi, hybrid goldfish, or trout if hardness of the water is <50ppm
• Includes: one 1-gallon container of cutrine-plus professional strength aquatic algaecide from applied biochemists
• Use: waters treated with this product may be used immediately in waters used for fishing, swimming, livestock, or irrigating

8. Microbe Lift 32-Ounce Pond Algaway 5.4 ALGA32

• If animals are present clean out excess algae or use before temperature exceeds 75 degrees fahrenheit
• 32-ounce bottle
• Made in the united states
• Stops algae growth in ponds and can be applied to areas that contain fish and plants
• Manufactured by ecological labs
• Stops algae growth in ponds and can be applied to areas that contain fish and plants

9. BioSafe Systems Greenclean Granular Algaecide 20 Lb

• Green clean granular algaecide 20lb

10. Applied Biochemists 390225A Cutrine-Plus Aquatic Algaecide 2.5 gal

• Use: waters treated with this product may be used immediately in waters used for fishing, swimming, livestock, or irrigating
• Compatibility: works in hard water, no not use in waters containing koi, hybrid goldfish, or trout if hardness of the water is <50ppm
• Features: contains a professional grade 9% metallic copper equivalent, contains chelated copper which stays in solution to continue controlling a broad range of algae well after application
• Includes: one 2.5-gallon container of cutrine-plus aquatic algaecide from applied biochemists
• Benefits: visible reduction in algae and growth within days after application of the algaecide