10 Best Freshwater Aquarium Supplies 2025: According to Reviews | Chewy

The 10 Best Freshwater Aquarium Supplies

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How we created this freshwater aquarium supply list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best freshwater aquarium supply.
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 freshwater aquarium supplies.

Key freshwater aquarium supply considerations

Compatibility

Durability

Ease of Use

Functionality

1
TetraMin Tropical Flakes Fish Food, 7.06-oz jar
TetraMin Tropical Flakes Fish Food, 7.06-oz jar
TetraMin Tropical Flakes Fish Food, 7.06-oz jar
TetraMin Tropical Flakes Fish Food, 7.06-oz jar
TetraMin Tropical Flakes Fish Food, 7.06-oz jar
TetraMin Tropical Flakes Fish Food, 7.06-oz jar
TetraMin Tropical Flakes Fish Food, 7.06-oz jar
TetraMin Tropical Flakes Fish Food, 7.06-oz jar
TetraMin Tropical Flakes Fish Food, 7.06-oz jar

Tetra Min Tropical Flakes Fish Food, 7.06-oz jar

Rated 4.8 out of 5 stars
1,190
$13.97Chewy Price
($1.98/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.6/5
Excellent

Durability

4.6/5
Excellent

Ease of Use

4.7/5
Excellent

Functionality

4.6/5
Excellent

Is this freshwater aquarium supply right for my pet?

Top Ingredients

Fish Meal, Dried Yeast, Ground Brown Rice, Shrimp Meal, Wheat Gluten

Fish Type

Tropical Freshwater

Food Form

Flakes
2
Aqueon Shrimp Pellets Fish Food, 6.5-oz jar
Aqueon Shrimp Pellets Fish Food, 6.5-oz jar
Aqueon Shrimp Pellets Fish Food, 6.5-oz jar
Aqueon Shrimp Pellets Fish Food, 6.5-oz jar
Aqueon Shrimp Pellets Fish Food, 6.5-oz jar
Aqueon Shrimp Pellets Fish Food, 6.5-oz jar
Aqueon Shrimp Pellets Fish Food, 6.5-oz jar
Aqueon Shrimp Pellets Fish Food, 6.5-oz jar
Aqueon Shrimp Pellets Fish Food, 6.5-oz jar

Aqueon Shrimp Pellets Fish Food, 6.5-oz jar

Rated 4.7 out of 5 stars
553
$6.95Chewy Price
($1.07/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.4/5
Great

Durability

4.5/5
Great

Ease of Use

4.5/5
Great

Functionality

4.4/5
Great

Is this freshwater aquarium supply right for my pet?

Top Ingredients

Shrimp Meal, Whole Fish Meal (Whole Salmon, Herring & Other Mixed Fishes), Whole Wheat Flour, Fish Oil

Special Diet

Natural

Aquarium Type

Freshwater

Fish Type

Bottom Feeder, Goldfish, Tropical Freshwater
3
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle

API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle

Rated 4.8 out of 5 stars
637
$10.99Chewy Price
($0.69/fl oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.5/5
Great

Durability

4.5/5
Great

Ease of Use

4.6/5
Excellent

Functionality

4.6/5
Excellent

Is this freshwater aquarium supply right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...

Health Feature

Anti-Fungal / Anti-Bacterial
4
Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count
Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count
Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count
Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count
Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count

Marineland Bio-Wheel Penguin Rite-Size C Filter Cartridge, 6 count

Rated 4.7 out of 5 stars
702
$19.97Chewy Price
($3.33/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.3/5
Great

Durability

4.4/5
Great

Ease of Use

4.5/5
Great

Functionality

4.3/5
Great

Is this freshwater aquarium supply right for my pet?

Material

Foam

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish
5
Fluval Fl Bug Bites Tropical Freshwater Formula Small Granules Fish Food, 1.6-oz
Fluval Fl Bug Bites Tropical Freshwater Formula Small Granules Fish Food, 1.6-oz
Fluval Fl Bug Bites Tropical Freshwater Formula Small Granules Fish Food, 1.6-oz
Fluval Fl Bug Bites Tropical Freshwater Formula Small Granules Fish Food, 1.6-oz
Fluval Fl Bug Bites Tropical Freshwater Formula Small Granules Fish Food, 1.6-oz
Fluval Fl Bug Bites Tropical Freshwater Formula Small Granules Fish Food, 1.6-oz
Fluval Fl Bug Bites Tropical Freshwater Formula Small Granules Fish Food, 1.6-oz

Fluval Fl Bug Bites Tropical Freshwater Formula Small Granules Fish Food, 1.6-oz

Rated 4.7 out of 5 stars
114
$4.94Chewy Price
($3.09/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.2/5
Great

Durability

4.4/5
Great

Ease of Use

4.2/5
Great

Functionality

4.3/5
Great

Is this freshwater aquarium supply right for my pet?

Top Ingredients

Dried Black Soldier Fly Larvae, Salmon, Fish Protein Concentrate, Green Peas, Potato

Fish Type

Tropical Freshwater

Food Form

Sinking Pellets
6
Fluker's Freeze-Dried River Shrimp Reptile Treats, 1-oz jar
Fluker's Freeze-Dried River Shrimp Reptile Treats, 1-oz jar
Fluker's Freeze-Dried River Shrimp Reptile Treats, 1-oz jar
Fluker's Freeze-Dried River Shrimp Reptile Treats, 1-oz jar

Fluker's Freeze-Dried River Shrimp Reptile Treats, 1-oz jar

Rated 4.7 out of 5 stars
235
$5.78Chewy Price
($5.78/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.7/5
Excellent

Durability

4.4/5
Great

Ease of Use

4.7/5
Excellent

Functionality

4.7/5
Excellent

Is this freshwater aquarium supply right for my pet?

Top Ingredient

Freeze-Dried River Shrimp

Fish Type

Tropical Freshwater

Food Form

Freeze-Dried, Treats, Shrimp
7
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt
LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt

LvLrister Titanium Thermostat with Intelligent LED Display Submersible Aquarium Heater, 12.8-in, 300-watt

Rated 4.6 out of 5 stars
84
$23.99Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.6/5
Excellent

Durability

4.6/5
Excellent

Ease of Use

4.7/5
Excellent

Functionality

4.7/5
Excellent

Is this freshwater aquarium supply right for my pet?

Material

Plastic

Aquarium Type

Saltwater

Capacity (Max)

≥120-250-L

Fish Type

Tropical Freshwater
8
AquaClear 50 Active Carbon Insert, 3 count
AquaClear 50 Active Carbon Insert, 3 count
AquaClear 50 Active Carbon Insert, 3 count
AquaClear 50 Active Carbon Insert, 3 count

AquaClear 50 Active Carbon Insert, 3 count

Rated 4.8 out of 5 stars
83
$7.98Chewy Price
($2.66/ea)

Our ratings

Compatibility

4.5/5
Great

Durability

4.5/5
Great

Ease of Use

4.5/5
Great

Functionality

4.6/5
Excellent

Is this freshwater aquarium supply right for my pet?

Material

Mesh, Synthetic Fabric

Aquarium Type

Saltwater, Freshwater

Fish Type

Tropical Freshwater, Marine Fish
9
Tetra Bio-Bag Large Disposable Filter Cartridges, 12 count
Tetra Bio-Bag Large Disposable Filter Cartridges, 12 count
Tetra Bio-Bag Large Disposable Filter Cartridges, 12 count
Tetra Bio-Bag Large Disposable Filter Cartridges, 12 count
Tetra Bio-Bag Large Disposable Filter Cartridges, 12 count
Tetra Bio-Bag Large Disposable Filter Cartridges, 12 count
Tetra Bio-Bag Large Disposable Filter Cartridges, 12 count

Tetra Bio-Bag Large Disposable Filter Cartridges, 12 count

Rated 4.7 out of 5 stars
842
$14.57Chewy Price
($1.22/ea)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.6/5
Excellent

Durability

4.5/5
Great

Ease of Use

4.6/5
Excellent

Functionality

4.6/5
Excellent

Is this freshwater aquarium supply right for my pet?

Material

Mesh, Synthetic Fabric

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish
10
Python No Spill Clean & Fill Aquarium Maintenance System, 25-ft

Python No Spill Clean & Fill Aquarium Maintenance System, 25-ft

Rated 4.5 out of 5 stars
495
$56.49Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Compatibility

4.4/5
Great

Durability

4.4/5
Great

Ease of Use

4.5/5
Great

Functionality

4.4/5
Great

Is this freshwater aquarium supply right for my pet?

Material

Plastic

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...