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API Freshwater Aquarium Master Test Kit, 800 count

Rated 4.7 out of 5 stars
376
$35.98 Chewy Price
($0.05/ea) Price per Unit
$50.48 List Price
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Underwater Treasures Floating Glass Fish Thermometer

Rated 4.4 out of 5 stars
294
$1.75 Chewy Price
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Penn-Plax Quick-Net Fish Tank Aquarium Catch Net, 4-in

Rated 4.6 out of 5 stars
169
$2.97 Chewy Price
$3.99 List Price
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Fluval Moss Ball Aquarium Plant

Rated 3.7 out of 5 stars
99
$4.94 Chewy Price
$6.99 List Price
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Tetra PRO PlecoWafers Complete Diet for Algae Eaters Fish Food, 5.29-oz bag

Rated 4.7 out of 5 stars
970
$9.79 Chewy Price
($1.86/oz) Price per Unit
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Aqueon Algae Cleaning Magnet for Aquariums, Small

Rated 4.5 out of 5 stars
255
$9.53 Chewy Price
$13.49 List Price
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SunGrow Long Rubber Betta Aquarium Gloves Fish Tank Maintenance Accessories, 22-in, 1 pair

Rated 4.4 out of 5 stars
74
$9.99 Chewy Price
$10.99 List Price
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Zoo Med Pleco Banquet Block Fish Food, .45-oz

Rated 4.5 out of 5 stars
252
$1.39 Chewy Price
($3.09/oz) Price per Unit
$2.99 List Price
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Fluval Plant & Shrimp Stratum Plant Care, 17.6-lb bag

Rated 4.6 out of 5 stars
142
$32.09 Chewy Price
($1.83/lb) Price per Unit
$67.99 List Price
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Python Pro-Clean Gravel Washer & Siphon Kit for Aquariums, Small

Rated 4.4 out of 5 stars
296
$7.49 Chewy Price
$10.99 List Price
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CaribSea Super Naturals Gemstone Creek Aquarium Gravel, 20-lb bag

Rated 4.6 out of 5 stars
210
$13.32 Chewy Price
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API Root Tabs Aquarium Plant Fertilizer, 10 count

Rated 4.5 out of 5 stars
141
$9.98 Chewy Price
($1.00/ea) Price per Unit
$13.98 List Price
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Underwater Treasures Cylindrical Fish Bubble Mist Airstone, 4 count

Rated 4.7 out of 5 stars
146
$1.53 Chewy Price
($0.39/ea) Price per Unit
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GloFish Javamoss Aquarium Plant

Rated 4.5 out of 5 stars
130
$3.29 Chewy Price
$7.99 List Price
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API Tap Water Conditioner, 16-fl oz bottle

Rated 4.8 out of 5 stars
490
$8.48 Chewy Price
($0.53/fl oz) Price per Unit
$11.98 List Price
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Tetra Min Tropical Flakes Fish Food, 7.06-oz jar

Rated 4.8 out of 5 stars
1,403
$13.97 Chewy Price
($1.98/oz) Price per Unit
$16.49 List Price
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Marineland White Diamond Ammonia Neutralizing Crystals Filter Media, 50-oz jar

Rated 4.7 out of 5 stars
109
$3.03 Chewy Price
($0.07/oz) Price per Unit
$12.39 List Price
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SunGrow Dried Mulberry Leaves Growth Supplement for Freshwater Aquarium Snail & Cherry Shrimp F...

Rated 4.4 out of 5 stars
60
$4.93 Chewy Price
($4.93/ea) Price per Unit
$6.50 List Price
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Penn-Plax 5-in-1 Cleaner Kit for Glass Plastic or Acrylic Aquarium Fish Tank, Extra Long, 19-in...

Rated 4.2 out of 5 stars
58
$9.88 Chewy Price
$15.99 List Price
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Omega One Freeze-Dried Blood Worms Freshwater & Marine Fish Treat, .96-oz jar

Rated 4.5 out of 5 stars
319
$13.98 Chewy Price
($14.57/oz) Price per Unit
$15.39 List Price
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Free 1-3 day delivery on first-time orders over $35
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SunGrow Betta & Goldfish Food Pellets & Flakes Fish Feeding Ring

Rated 3.9 out of 5 stars
70
$3.95 Chewy Price
$12.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Fritz Complete Full-Spectrum Aquarium Water Conditioner, 16-fl oz bottle

Rated 4.7 out of 5 stars
55
$15.99 Chewy Price
($1.00/fl oz) Price per Unit
$19.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Underwater Treasures Aqua One Algae Scraper & Handle

Rated 4.2 out of 5 stars
34
$4.49 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Underwater Treasures Bubble Mist Fish Aquarium Airline Tubing, 10-ft

Rated 4.9 out of 5 stars
92
$2.20 Chewy Price
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Penn-Plax Shale Ledge Aquarium & Terrarium Decor, 1 count

Rated 4 out of 5 stars
205
$38.99 Chewy Price
$42.99 List Price
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API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle

Rated 4.8 out of 5 stars
761
$10.98 Chewy Price
($0.69/fl oz) Price per Unit
$15.38 List Price
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Free 1-3 day delivery on first-time orders over $35
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Aqueon Shrimp Pellets Fish Food, 6.5-oz jar

Rated 4.7 out of 5 stars
651
$7.19 Chewy Price
($1.11/oz) Price per Unit
$8.19 List Price
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Free 1-3 day delivery on first-time orders over $35
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Marineland Rite-Size S, T, X, Fit All C-Series & Magniflow Biological Aquarium Filtration Bio-F...

Rated 4.6 out of 5 stars
60
$2.78 Chewy Price
($0.04/ea) Price per Unit
$12.29 List Price
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Free 1-3 day delivery on first-time orders over $35
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API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit

Rated 4.8 out of 5 stars
85
$11.27 Chewy Price
$16.78 List Price
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Tetra Bio-Bag Large Disposable Filter Cartridges, 12 count

Rated 4.7 out of 5 stars
987
$14.57 Chewy Price
($1.22/ea) Price per Unit
$18.19 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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SunGrow Aquarium Siphon Vacuum Cleaner, Gravel Cleaning Tool for Fish & Turtle Tank

Rated 3.7 out of 5 stars
273
$7.24 Chewy Price
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SunGrow Mini Indian Almond Leaves Pleco & Shrimp Food, Aquarium Water Conditioner that Lowers p...

Rated 4.4 out of 5 stars
28
$6.97 Chewy Price
($0.14/ea) Price per Unit
$9.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Fritz Zyme 7 Freshwater Nitrifying Bacteria for Aquariums, 32-fl oz bottle

Rated 4.6 out of 5 stars
133
$19.99 Chewy Price
($0.63/fl oz) Price per Unit
$24.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Underwater Treasures Aqua One Coarse Algae Scrubber

Rated 4.3 out of 5 stars
31
$2.50 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Underwater Treasures Fish Aquarium Check Valve

Rated 4.5 out of 5 stars
75
$1.42 Chewy Price
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Fluval Cycle Biological Booster Water Conditioner, 8.4-fl oz bottle

Rated 4.7 out of 5 stars
72
$9.99 Chewy Price
($1.19/fl oz) Price per Unit
$16.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Tropical Fish Supplies

Freshwater fish supplies cover everything you need to build and maintain a happy, healthy tank. From water conditioners and filters to decor and test kits, the right tools help keep your aquarium balanced and your fish stress-free. Whether you're just starting out or upgrading your setup, having the right gear on hand makes all the difference. Freshwater fish supplies to keep things running smoothly:

  • Water conditioners: Neutralize chlorine and make tap water safe
  • Test kits: Track ammonia, pH, nitrites, and more
  • Filters and cartridges: Keep water clean and flowing
  • Gravel vacuums: Make cleaning easier and less messy
  • Aquarium decor: Give your fish places to hide, rest, and explore

Keeping up with the basics helps support clean water, healthy fish, and a thriving aquarium environment.

Frequently Asked Questions about Tropical Fish Supplies

What essential supplies do I need for a freshwater aquarium?

You'll need a tank, filter, heater (for tropical fish), lighting, water conditioner, substrate, and test kits. Nets, decor, and cleaning tools also come in handy.