Best Freshwater Aquarium Supplies 2026: According to Reviews | Chewy

Best Freshwater Aquarium Supplies

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

Our Top Picks

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
1,417
$13.97 Chewy Price
($1.98/oz)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Compatibility

4.6/5
Excellent

Durability

4.7/5
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

Health Feature

Digestive Health, Sensitive Digestion, Weight Management
2
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
766
$7.30 Chewy Price
($0.46/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
3
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
655
$7.19 Chewy Price
($1.11/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
4
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar
Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar

Marineland Black Diamond Activated Carbon Filter Media, 22-oz jar

Rated 4.8 out of 5 stars
262
$9.99 Chewy Price
($0.46/oz)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Compatibility

4.8/5
Excellent

Durability

4.7/5
Excellent

Ease of Use

4.8/5
Excellent

Functionality

4.8/5
Excellent

Is this freshwater aquarium supply right for my pet?

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Marine Fish
5
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
286
$2.34 Chewy Price
($2.34/oz)
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Compatibility

4.8/5
Excellent

Durability

4.5/5
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

Special Diet

Natural

Fish Type

Tropical Freshwater

Food Form

Freeze-Dried, Treats, Shrimp
6
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
106
$7.98 Chewy Price
($2.66/ea)
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?

Material

Mesh, Synthetic Fabric

Aquarium Type

Saltwater, Freshwater

Fish Type

Tropical Freshwater, Marine Fish
7
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
544
$56.49 Chewy Price
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Compatibility

4.5/5
Great

Durability

4.4/5
Great

Ease of Use

4.6/5
Excellent

Functionality

4.5/5
Great

Is this freshwater aquarium supply right for my pet?

Material

Plastic

Aquarium Type

Freshwater, Saltwater

Fish Type

Tropical Freshwater, Betta, Cichlid, Goldfish...
8
CaribSea Super Naturals Crystal River Freshwater Sand, 20-lb bag
CaribSea Super Naturals Crystal River Freshwater Sand, 20-lb bag

CaribSea Super Naturals Crystal River Freshwater Sand, 20-lb bag

Rated 4.9 out of 5 stars
82
$19.99 Chewy Price
Promo, New Customers Only: Spend $49+, get $20 eGift Card

Our ratings

Compatibility

4.7/5
Excellent

Durability

4.7/5
Excellent

Ease of Use

4.8/5
Excellent

Functionality

4.5/5
Great

Is this freshwater aquarium supply right for my pet?

Aquarium Type

Freshwater

Fish Type

Tropical Freshwater
9
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 4.6 out of 5 stars
164
$5.19 Chewy Price
($3.25/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

4.2/5
Great

Functionality

4.1/5
Great

Is this freshwater aquarium supply right for my pet?

Top Ingredients

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

Special Diet

High-Protein

Fish Type

Tropical Freshwater

Food Form

Sinking Pellets
10
Zoo Med Pleco Banquet Block Fish Food, .45-oz
Zoo Med Pleco Banquet Block Fish Food, .45-oz
Zoo Med Pleco Banquet Block Fish Food, .45-oz
Zoo Med Pleco Banquet Block Fish Food, .45-oz
Zoo Med Pleco Banquet Block Fish Food, .45-oz

Zoo Med Pleco Banquet Block Fish Food, .45-oz

Rated 4.5 out of 5 stars
256
$1.39 Chewy Price
($3.09/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

4.4/5
Great

Functionality

4.5/5
Great

Is this freshwater aquarium supply right for my pet?

Top Ingredients

Calcium Sulfate, Plankton, Powdered Cellulose, Spirulina Algae, Magnesium Sulfate

Aquarium Type

Freshwater

Fish Type

Bottom Feeder, Tropical Freshwater

Food Form

Feeders / Blocks