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
Aqueon Algae Cleaning Magnet for Aquariums, Medium
Aqueon Algae Cleaning Magnet for Aquariums, Medium
Aqueon Algae Cleaning Magnet for Aquariums, Medium
Aqueon Algae Cleaning Magnet for Aquariums, Medium
Aqueon Algae Cleaning Magnet for Aquariums, Medium
Aqueon Algae Cleaning Magnet for Aquariums, Medium
Aqueon Algae Cleaning Magnet for Aquariums, Medium
Aqueon Algae Cleaning Magnet for Aquariums, Medium

Aqueon Algae Cleaning Magnet for Aquariums, Medium

Rated 4.5 out of 5 stars
206
$13.99Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.6/5
Excellent

Ease of Use

4.6/5
Excellent

Long-Lasting Effectiveness

4.4/5
Great

Non-Toxic Formula

4.7/5
Excellent

Is this fish tank cleaner right for my pet?

Material

Plastic

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish
2
Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 4-in
Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 4-in
Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 4-in
Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 4-in
Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 4-in
Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 4-in
Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 4-in
Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 4-in

Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 4-in

Rated 4.6 out of 5 stars
139
$2.23Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.5/5
Great

Ease of Use

4.4/5
Great

Long-Lasting Effectiveness

4.2/5
Great

Non-Toxic Formula

4.3/5
Great

Is this fish tank cleaner right for my pet?

Material

Mesh

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish
3
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 4.3 out of 5 stars
410
$69.80Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.4/5
Great

Ease of Use

4.3/5
Great

Long-Lasting Effectiveness

4.4/5
Great

Non-Toxic Formula

4.3/5
Great

Is this fish tank cleaner right for my pet?

Aquarium Type

Freshwater, Saltwater
4
API Extra Long Algae Scraper for Glass Aquariums

API Extra Long Algae Scraper for Glass Aquariums

Rated 4.6 out of 5 stars
111
$8.99Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.6/5
Excellent

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
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 4.8 out of 5 stars
34
$9.99Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.7/5
Excellent

Ease of Use

4.7/5
Excellent

Long-Lasting Effectiveness

4.6/5
Excellent

Non-Toxic Formula

4.4/5
Great

Is this fish tank cleaner right for my pet?

Material

Plastic

Aquarium Type

Freshwater

Fish Type

Tropical Freshwater
6
Underwater Treasures Coarse Fish Net, 3-in

Underwater Treasures Coarse Fish Net, 3-in

Rated 4.8 out of 5 stars
52
$1.88Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.6/5
Excellent

Ease of Use

4.7/5
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...
7
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
38
$7.99Chewy Price
($2.00/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

4.6/5
Excellent

Is this fish tank cleaner right for my pet?

Material

Plastic

Aquarium Type

Freshwater

Capacity (Max)

4-gal

Fish Type

Tropical Freshwater
8
SunGrow Double Sided Sponge Glass Aquarium Algae Scraper, 15-in
SunGrow Double Sided Sponge Glass Aquarium Algae Scraper, 15-in
SunGrow Double Sided Sponge Glass Aquarium Algae Scraper, 15-in
SunGrow Double Sided Sponge Glass Aquarium Algae Scraper, 15-in
SunGrow Double Sided Sponge Glass Aquarium Algae Scraper, 15-in
SunGrow Double Sided Sponge Glass Aquarium Algae Scraper, 15-in

SunGrow Double Sided Sponge Glass Aquarium Algae Scraper, 15-in

Rated 4.3 out of 5 stars
64
$7.95Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.4/5
Great

Ease of Use

4.2/5
Great

Long-Lasting Effectiveness

4.1/5
Great

Non-Toxic Formula

4.4/5
Great

Is this fish tank cleaner right for my pet?

Material

Plastic

Aquarium Type

Freshwater, Saltwater

Fish Type

Betta, Goldfish, Cichlid, Tropical Freshwater...
9
Marina Fine Blue Nylon Net with Handle, 3-in
Marina Fine Blue Nylon Net with Handle, 3-in
Marina Fine Blue Nylon Net with Handle, 3-in
Marina Fine Blue Nylon Net with Handle, 3-in
Marina Fine Blue Nylon Net with Handle, 3-in

Marina Fine Blue Nylon Net with Handle, 3-in

Rated 4.6 out of 5 stars
93
$2.99Chewy 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

4.6/5
Excellent

Non-Toxic Formula

4.3/5
Great

Is this fish tank cleaner right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish
10
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
104
$22.33Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Cleaning Power

4.3/5
Great

Ease of Use

4.5/5
Great

Long-Lasting Effectiveness

4.3/5
Great

Non-Toxic Formula

4.3/5
Great

Is this fish tank cleaner right for my pet?

Aquarium Type

Freshwater, Saltwater