20 Best Algae Eater For 20 Gallon Tank (2022 Updated)

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An algae eater for a 20 gallon tank is a fish that feeds on algae. These fish are great for keeping your tank clean and can help to control algae growth. Some common algae eaters include plecos, otocinclus, and Siamese algae eaters.

20 Best Algae Eater For 20 Gallon Tank

1. API AlgaeFix (8 oz)

API AlgaeFix (8 oz)

  • 8 oz

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Weight 0.63 lb

2. Pond Algaefix, Algae Control, 1 Gal

Pond Algaefix, Algae Control, 1 Gal

  • 1 Gallon

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3. Tetra Pond 33.8oz Algae Control

Tetra Pond 33.8oz Algae Control

  • 33.8 oz

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Product Dimensions 3 x 5 x 10 inches; 2.24 Pounds
Country of Origin Germany
Item Package Dimensions L x W x H 9.8 x 4.76 x 2.52 inches
Item Dimensions LxWxH 3 x 5 x 10 inches
Directions See label

4. Tetra Pond 101.4oz Algae Control

Tetra Pond 101.4oz Algae Control

  • Liquid formula effectively combats green water string and hair algae and blanketweed to keep pond water clear. FOR ORNAMENTAL PONDS & FOUNTAINS.
  • Use only in fountains and established ponds with synthetic liners.
  • Use with live plants and fish in ornamental outdoor ponds when used as directed. USAGE.
  • Use 10 ml for every 120 gallons of pond water.

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Weight 6.34 lb

5. Crystal Clear Algae-Off – 2.5 lbs.

Crystal Clear Algae-Off - 2.5 lbs.

  • 2.5 Pound

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Product Dimensions 3.75 x 3.75 x 6.75 inches
Is Discontinued By Manufacturer No

6. Aquascape – Algaecide – 1 Gal

Aquascape - Algaecide - 1 Gal

  • 1 Gal

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Product Dimensions 4 x 7.5 x 12 inches
Country of Origin USA
Is Discontinued By Manufacturer No

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7. Aquascape EcoBlast Contact Granular Algaecide – 7 lb tub

Aquascape EcoBlast Contact Granular Algaecide - 7 lb tub

  • 7 lb

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Product Dimensions 1 x 1 x 1 inches
Country of Origin China
Is Discontinued By Manufacturer No

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8. API Algae Scraper for Glass Aquariums

API Algae Scraper for Glass Aquariums

  • 1 Count

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Weight 0.31 lb

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9. API Algae Eater Algae Wafers – 3.7oz

API Algae Eater Algae Wafers - 3.7oz

  • A complete and balanced diet for all algae eating fish
  • Balanced diet for tropical fish
  • Up to 30% less Ammonia in your tank

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Gibson’s Natural Pet

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Specifications

Details
Is Discontinued By Manufacturer No
Product Dimensions 2.5 x 2.5 x 4.75 inches; 3.68 Ounces
Country of Origin USA
Item Package Dimensions L x W x H 4.61 x 2.4 x 2.36 inches
Item Dimensions LxWxH 2.5 x 2.5 x 4.75 inches
Target Audience Keyword Fish
Style Aquarium Food

10. Marineland Algae Eliminator 4oz

Marineland Algae Eliminator 4oz

  • Combats green water and algae on glass and decor
  • Safe for fish and plants
  • No harmful copper
  • Will not alter pH

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Manufacturer Part Number 047431906051
Product Name Algae Eliminator
Product Type Algae Treatment
Animal Type Fish
Compatibility Aquarium

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11. API Prevent Algae 118ml

API Prevent Algae 118ml

  • 118 ml

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Product Genre/Category Pet Products

12. Ultralife Blue Green Algae Remover

Ultralife Blue Green Algae Remover

  • Simply add this slime remover and watch the brilliant colors come back to your aquarium as the Blue Green Algae disappears.
  • Contains natural cellular matter, select biological accelerators and special supplements proven effective in removing slime stains.
  • Safe for desirable macro-algae, nitrifying bacteria and fish.
  • Truly a product you should not be without.

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Details
Country of Origin USA
Item Package Dimensions L x W x H 3.27 x 3.23 x 1.3 inches
Item Dimensions LxWxH 0.02 x 0.02 x 0.02 inches
Target Audience Keyword Fish, Adults, Unisex
Age Range Description All Stages
Breed Recommendation All Breed Sizes
Included Components All

13. Aqueon Algae Rounds 3oz

Aqueon Algae Rounds 3oz

  • Nutrition for bottom-feeding fish
  • Formulated so that fish utilize more of what they eat and create less waste
  • Resealable pouch
  • Will not cloud water when fed as directed
  • Feed rounds and tablets in amounts that fish will consume in 1-2 hours and pellets in amounts that will be consumed in under 2 minutes

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Product Dimensions 4.7 x 6.3 x 1 inches; 3.2 Ounces
Country of Origin USA
Item Package Dimensions L x W x H 6.34 x 4.76 x 1.73 inches
Item Dimensions LxWxH 4.7 x 6.3 x 1 inches
Age Range Description All Life Stages

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14. Tetra Veggie Algae Wafers – 5.29 oz bag

Tetra Veggie Algae Wafers - 5.29 oz bag

  • 5.29 oz

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Weight 0.33 lb

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15. Hikari Tropical Algae Wafers for Plecostomus and Algae Eaters, Hikari Tropical Algae

Hikari Tropical Algae Wafers for Plecostomus and Algae Eaters, Hikari Tropical Algae

  • High in stabilized vitamin C to reduce stress and build immunity to disease.
  • Complete and balanced nutrition.
  • Unique Disc Shape Allows Easy Access.
  • Will not dissolve nor cloud the water.
  • Great for saltwater fish too.

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16. AQUEON, Algae Cleaning Magnet, Large

AQUEON, Algae Cleaning Magnet, Large

  • Large

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Is Discontinued By Manufacturer No
Product Dimensions 5.2 x 10.6 x 3 inches; 12.8 Ounces
Item Package Dimensions L x W x H 10.55 x 5.16 x 2.76 inches
Item Dimensions LxWxH 5.2 x 10.6 x 3 inches
Target Audience Keyword House-cats, Fish

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17. API Algae Pad for Acrylic Aquariums

API Algae Pad for Acrylic Aquariums

  • 1 Count

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Weight 0.03 lb

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18. API Algae Eater Wafers Algae Wafer Fish Food 1.3-Ounce Container

API Algae Eater Wafers Algae Wafer Fish Food 1.3-Ounce Container

  • Contains one (1) API ALGAE EATER WAFERS Algae Wafer Fish Food 1.3-Ounce Container
  • Made with nutrient rich blend to provide algae eaters with a complete and balanced diet
  • Includes algae and Omega-3 fatty acids that algae-eating fish need for optimal health and growth
  • Formulated to help fish more readily use nutrients which means less waste and clean, clear water
  • Feed up to twice a day the amount of food your fish will consume within 2 hours

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19. Tetra AlguMin – Quickly Combats All Types of Algae in The Aquarium, Prevents The Growth of New Algae, 250 ml

Tetra AlguMin - Quickly Combats All Types of Algae in The Aquarium, Prevents The Growth of New Algae, 250 ml

  • 250 ml

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dimensions 4 x 7.5 x 17.6 cm

20. Tetra AlguMin 100 ml

Tetra AlguMin 100 ml

  • The ingredient is released immediately to ensure a fast action
  • Optimum distribution of the active agent due to liquid formula
  • For all freshwater aquariums

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Conclusion

If you are looking for an algae eater for your 20 gallon tank, the best option is the Siamese algae eater. This fish is native to Thailand and is known for its ability to eat algae and other plant matter.

The Siamese algae eater is a peaceful fish that does well in community tanks.

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