10 Best Fish Tank Cleaners 2025: According to Reviews | Chewy

The 10 Best Fish Tank Cleaners

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How we created this fish tank cleaner list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best fish tank cleaner.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best fish tank cleaners.

Key fish tank cleaner considerations

Cleaning Power

Ease of Use

Long-Lasting Effectiveness

Non-Toxic Formula

1
AA Aquarium Green Killing Machine Internal UV System, 9-watt
AA Aquarium Green Killing Machine Internal UV System, 9-watt
AA Aquarium Green Killing Machine Internal UV System, 9-watt
AA Aquarium Green Killing Machine Internal UV System, 9-watt
AA Aquarium Green Killing Machine Internal UV System, 9-watt
AA Aquarium Green Killing Machine Internal UV System, 9-watt
AA Aquarium Green Killing Machine Internal UV System, 9-watt
AA Aquarium Green Killing Machine Internal UV System, 9-watt
AA Aquarium Green Killing Machine Internal UV System, 9-watt

AA Aquarium Green Killing Machine Internal UV System, 9-watt

Rated 4.4 out of 5 stars
377
$69.99Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.4/5
Great

Ease of Use

4.5/5
Great

Long-Lasting Effectiveness

4.5/5
Great

Non-Toxic Formula

4.3/5
Great

Is this fish tank cleaner right for my pet?

Aquarium Type

Freshwater, Saltwater
2
Aqueon Algae Cleaning Magnet for Aquariums, Small
Aqueon Algae Cleaning Magnet for Aquariums, Small
Aqueon Algae Cleaning Magnet for Aquariums, Small
Aqueon Algae Cleaning Magnet for Aquariums, Small
Aqueon Algae Cleaning Magnet for Aquariums, Small
Aqueon Algae Cleaning Magnet for Aquariums, Small
Aqueon Algae Cleaning Magnet for Aquariums, Small
Aqueon Algae Cleaning Magnet for Aquariums, Small

Aqueon Algae Cleaning Magnet for Aquariums, Small

Rated 4.5 out of 5 stars
161
$10.60Chewy Price
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Cleaning Power

4.5/5
Great

Ease of Use

4.6/5
Excellent

Long-Lasting Effectiveness

4.4/5
Great

Non-Toxic Formula

4.6/5
Excellent

Is this fish tank cleaner right for my pet?

Material

Plastic

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish
3
Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 6-in
Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 6-in

Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 6-in

Rated 4.6 out of 5 stars
110
$3.29Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.5/5
Great

Ease of Use

4.5/5
Great

Long-Lasting Effectiveness

4.4/5
Great

Non-Toxic Formula

4.6/5
Excellent

Is this fish tank cleaner right for my pet?

Material

Mesh

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish
4
API Extra Long Algae Scraper for Glass Aquariums

API Extra Long Algae Scraper for Glass Aquariums

Rated 4.6 out of 5 stars
100
$11.24Chewy Price
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Cleaning Power

4.5/5
Great

Ease of Use

4.6/5
Excellent

Long-Lasting Effectiveness

4.6/5
Excellent

Non-Toxic Formula

4.5/5
Great

Is this fish tank cleaner right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish
5
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz
SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz

SunGrow Activated Carbon Charcoal Pellets Aquarium Filtration, Cat Litter Box & Water Fountain Deodorizer Filter Media, 10-oz

Rated 4.1 out of 5 stars
24
$7.99Chewy Price
($0.80/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.8/5
Excellent

Ease of Use

4.6/5
Excellent

Long-Lasting Effectiveness

4.5/5
Great

Non-Toxic Formula

4.8/5
Excellent

Is this fish tank cleaner right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Marine Invertebrate...
6
Tetra Maintenance Freshwater Aquarium Bucket, 4-gal
Tetra Maintenance Freshwater Aquarium Bucket, 4-gal
Tetra Maintenance Freshwater Aquarium Bucket, 4-gal
Tetra Maintenance Freshwater Aquarium Bucket, 4-gal
Tetra Maintenance Freshwater Aquarium Bucket, 4-gal

Tetra Maintenance Freshwater Aquarium Bucket, 4-gal

Rated 4.8 out of 5 stars
33
$7.94Chewy Price
($1.99/gl)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.8/5
Excellent

Ease of Use

4.3/5
Great

Long-Lasting Effectiveness

4.6/5
Excellent

Non-Toxic Formula

4.7/5
Excellent

Is this fish tank cleaner right for my pet?

Material

Plastic

Aquarium Type

Freshwater

Capacity (Max)

4-gal

Fish Type

Tropical Freshwater
7
Underwater Treasures Coarse Fish Net, 3-in

Underwater Treasures Coarse Fish Net, 3-in

Rated 4.8 out of 5 stars
32
$1.88Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.6/5
Excellent

Ease of Use

4.8/5
Excellent

Long-Lasting Effectiveness

4.7/5
Excellent

Non-Toxic Formula

4.6/5
Excellent

Is this fish tank cleaner right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Invertebrate, Betta, Bottom Feeder...
8
AA Aquarium Green Killing Machine Clip-On UV System, 3-watt
AA Aquarium Green Killing Machine Clip-On UV System, 3-watt
AA Aquarium Green Killing Machine Clip-On UV System, 3-watt
AA Aquarium Green Killing Machine Clip-On UV System, 3-watt
AA Aquarium Green Killing Machine Clip-On UV System, 3-watt

AA Aquarium Green Killing Machine Clip-On UV System, 3-watt

Rated 4 out of 5 stars
98
$39.99Chewy Price
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Cleaning Power

4.4/5
Great

Ease of Use

4.4/5
Great

Long-Lasting Effectiveness

4.2/5
Great

Non-Toxic Formula

4.4/5
Great

Is this fish tank cleaner right for my pet?

Aquarium Type

Freshwater, Saltwater
9
Fluval Pro Vac Filter Pad Fish Maintenance Kit
Fluval Pro Vac Filter Pad Fish Maintenance Kit
Fluval Pro Vac Filter Pad Fish Maintenance Kit
Fluval Pro Vac Filter Pad Fish Maintenance Kit
Fluval Pro Vac Filter Pad Fish Maintenance Kit
Fluval Pro Vac Filter Pad Fish Maintenance Kit

Fluval Pro Vac Filter Pad Fish Maintenance Kit

Rated 4.9 out of 5 stars
17
$7.99Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.5/5
Great

Ease of Use

4.6/5
Excellent

Long-Lasting Effectiveness

4.5/5
Great

Non-Toxic Formula

4.6/5
Excellent

Is this fish tank cleaner right for my pet?

Material

Plastic

Aquarium Type

Freshwater

Fish Type

Tropical Freshwater
10
SunGrow Long Rubber Betta Aquarium Gloves Fish Tank Maintenance Accessories, 22-in, 1 pair
SunGrow Long Rubber Betta Aquarium Gloves Fish Tank Maintenance Accessories, 22-in, 1 pair
SunGrow Long Rubber Betta Aquarium Gloves Fish Tank Maintenance Accessories, 22-in, 1 pair
SunGrow Long Rubber Betta Aquarium Gloves Fish Tank Maintenance Accessories, 22-in, 1 pair
SunGrow Long Rubber Betta Aquarium Gloves Fish Tank Maintenance Accessories, 22-in, 1 pair
SunGrow Long Rubber Betta Aquarium Gloves Fish Tank Maintenance Accessories, 22-in, 1 pair

SunGrow Long Rubber Betta Aquarium Gloves Fish Tank Maintenance Accessories, 22-in, 1 pair

Rated 4.4 out of 5 stars
44
$5.99Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.3/5
Great

Ease of Use

4.6/5
Excellent

Long-Lasting Effectiveness

4.4/5
Great

Non-Toxic Formula

4.3/5
Great

Is this fish tank cleaner right for my pet?

Material

Latex, Rubber

Aquarium Type

Freshwater, Saltwater

Fish Type

Betta, Goldfish, Bottom Feeder, Cichlid...