Saltwater Aquarium Supplies

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Tetra Marine Saltwater Flakes Marine Fish Food, 5.65-oz jar

Rated 4.8 out of 5 stars
55
$13.96 Chewy Price
($2.48/oz) Price per Unit
$18.49 List Price
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Free 1-3 day delivery on first-time orders over $35
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API Quick Start Freshwater & Saltwater Aquarium Water Treatment, 16-fl oz bottle

Rated 4.6 out of 5 stars
209
$17.38 Chewy Price
($1.09/fl oz) Price per Unit
$24.38 List Price
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Free 1-3 day delivery on first-time orders over $35
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Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Saltwater Aquariums, 2-fl oz bottle

Rated 2.7 out of 5 stars
11
$20.99 Chewy Price
($10.50/fl oz) Price per Unit
$27.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Underwater Treasures Seapora Phos Pad

Rated 3.7 out of 5 stars
3
$9.64 Chewy Price
($9.64/ea) Price per Unit
$11.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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SunGrow Tall Aquarium Plastic Plants Betta Fish Hide Tank Decorations, 10-in, 3 count

Rated 4.4 out of 5 stars
136
$6.93 Chewy Price
$9.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Penn-Plax Cascade Aquarium Bio-Floss Pads 700 & 1000 Filter, 6 count, Medium

Rated 4.6 out of 5 stars
46
$3.87 Chewy Price
($0.65/ea) Price per Unit
$21.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Boyd Chemi-pure Blue Ultimate Filter Media, 5-oz jar, Bulk 6-pack

Rated 4.8 out of 5 stars
52
$59.48 Chewy Price
($1.99/oz) Price per Unit
$75.76 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
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CaribSea LifeRock Dreamscapes Assortment Box Saltwater Aquarium Rock, Natural, 5 to 15-gal

Rated 1 out of 5 stars
1
$96.75 Chewy Price
$108.90 List Price
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Fluval Edge Pre Filter Sponge, 1 Count

Rated 4.3 out of 5 stars
116
$4.12 Chewy Price
$6.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Instant Ocean Testing Hydrometer for Aquariums, 1 count

Rated 4 out of 5 stars
37
$11.99 Chewy Price
$13.69 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Zoo Med Mag-Clip Magnetic Suction Cups

Rated 3.8 out of 5 stars
18
$9.99 Chewy Price
$14.99 List Price
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San Francisco Bay Brand Freeze-Dried Brine Shrimp Fish Food, 1.36-oz jar

Rated 4.6 out of 5 stars
63
$10.99 Chewy Price
($8.09/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle

Rated 4.8 out of 5 stars
735
$10.98 Chewy Price
($0.69/fl oz) Price per Unit
$15.38 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Salifert Aquarium Nitrate Test Kit

Rated 4.8 out of 5 stars
6
$17.12 Chewy Price
$17.37 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Underwater Treasures Seapora Nitrate + Nitrite Pad

Rated 4.8 out of 5 stars
32
$5.49 Chewy Price
($5.49/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

SunGrow Ceramic Shrimp & Betta Fish Hides for Aquarium, Breeding & Spawning Tube Tunnel, 3 coun...

Rated 4.1 out of 5 stars
38
$6.93 Chewy Price
($2.31/ea) Price per Unit
$6.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

GloFish Plastic Aquarium Plant, Green/Blue, Large

Rated 4.4 out of 5 stars
165
$9.99 Chewy Price
$11.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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SunGrow Betta Fish Thermometer Sticker, Temperature Strip for Small Aquarium & Reptiles Tank

Rated 4 out of 5 stars
90
$4.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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CaribSea Arag-Alive! Hawaiian Black Aquarium Sand, 10-lb bag

Rated 2.9 out of 5 stars
9
$19.11 Chewy Price
$29.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Fluval Carbon Filter Media, 3 count

Rated 4.8 out of 5 stars
38
$6.09 Chewy Price
($2.03/ea) Price per Unit
$13.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Cobalt Aquatics Premium Airline Pack, 13-ft, Clear

Rated 4.4 out of 5 stars
12
$7.83 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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API Extra Long Algae Scraper for Acrylic Aquariums

Rated 4.4 out of 5 stars
36
$10.93 Chewy Price
$12.98 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Aqua Natural Grain-Free Freeze-Dried Brine Shrimp Fish Food, 0.42-oz tub

Rated 4.3 out of 5 stars
36
$6.99 Chewy Price
($16.65/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

API Aquarium Start-Up Pack

Rated 4.7 out of 5 stars
18
$6.99 Chewy Price
$8.28 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Kordon Rid-Ich Plus Disease Aquarium Treatment, 16-fl oz bottle

Rated 4.7 out of 5 stars
43
$10.59 Chewy Price
($0.67/fl oz) Price per Unit
$15.08 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Underwater Treasures Seapora Carbon Pad

Rated 4.6 out of 5 stars
17
$5.99 Chewy Price
($5.99/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Ruby Reef Kick-Ich PRO Aquarium Water Treatment, 64-fl oz bottle

Rated 3.7 out of 5 stars
18
$36.99 Chewy Price
($0.58/fl oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders
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Galapagos Sinkable Driftwood Terrarium & Aquarium Accessory, Natural, Medium

Rated 2.9 out of 5 stars
219
$13.70 Chewy Price
$20.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

SunGrow Aquarium Betta Fish & Turtle Tank Food Automatic Flakes & Pellet Feeder Feeding Ring

Rated 4 out of 5 stars
67
$3.99 Chewy Price
$6.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Marineland Bio-Wheel Penguin Aquarium Power Filter, 75-gal

Rated 3.9 out of 5 stars
685
$40.42 Chewy Price
($0.54/gl) Price per Unit
$66.79 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Fluval Biological Cleaner Water Conditioner, 8.4-fl oz bottle

Rated 4.7 out of 5 stars
29
$13.90 Chewy Price
($1.66/fl oz) Price per Unit
$15.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

AquaClear 50 Active Carbon Insert, 3 count

Rated 4.8 out of 5 stars
102
$7.98 Chewy Price
($2.66/ea) Price per Unit
$14.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

CaribSea South Seas Rock Base Rock Aquarium Rock

Rated 4.6 out of 5 stars
9
$91.52 Chewy Price
$114.40 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Nutramar Marine Complete Pellets Fish Food, 70-g jar

$14.99 Chewy Price
($0.22/g) Price per Unit
$18.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 100 count

Rated 4.5 out of 5 stars
130
$24.98 Chewy Price
($0.25/ea) Price per Unit
$34.98 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fritz Mardel Maracyn Oxy Fish Aquarium Treatment, 4-oz bottle

Rated 4.5 out of 5 stars
17
$10.39 Chewy Price
($2.60/oz) Price per Unit
$12.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Category

Food

Aquariums & Tanks

Substrate

Filters & Media

Decor

Water Treatment

Tank Cleaner

Pumps & Airstones

Heaters & Thermometers

Lighting

Water Test Kits

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