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Help your reef tank thrive

Craft the ultimate underwater setup and bring your reef to life with reverse-osmosis water, reef-specific marine salts, bright lights and other supplements to support coral health.

Instant Ocean Reef Salt for Aquariums, 160-gal
Rated 4.6 out of 5 stars
396Reviews
$79.97 Chewy Price
$95.29 List Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card
Fiji Cube Advanced Reef Sump 2nd Gen, 20-in
Rated 5 out of 5 stars
1Review
$344.24 Chewy Price
$437.39 List Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card
CaribSea Arag-Alive! Special Grade Reef Aquarium Sand, 20-lb bag
Rated 4.3 out of 5 stars
43Reviews
$25.76 Chewy Price
$33.99 List Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card
Deal
API Reef Aquarium Master Test Kit, 1 count
Rated 4.7 out of 5 stars
26Reviews
$34.98 Chewy Price
$50.48 List Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card
CaribSea LifeRock Frag Garden 5 Hole Saltwater Aquarium Rock, Natural
Rated 5 out of 5 stars
1Review
$22.27 Chewy Price
$30.62 List Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card
Salifert Aquarium Calcium Test Kit
Rated 4 out of 5 stars
8Reviews
$18.81 Chewy Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card
Salifert Aquarium Carbonate Hardness/Alkalinity Test Kit
Rated 4.3 out of 5 stars
12Reviews
$16.46 Chewy Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card
Aquaillumination Blade Smart Coral Glow LED Strip, Black, 21-in
$299.99 Chewy Price
$359.99 List Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card
Fluval Sea Calcium Aquarium Water Conditioner, 8-oz bottle
Rated 4.8 out of 5 stars
4Reviews
$8.50 Chewy Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card
AquaForest Component 1+2+3+ Aquarium Solution, 3.96-gal
Rated 5 out of 5 stars
1Review
$62.69 Chewy Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card
Coralife Liquid Calcium Supplement for Marine Invertebrates, 8.7-fl oz bottle
Rated 5 out of 5 stars
1Review
$12.99 Chewy Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card
Fritz ProAquatics Reef Pro Mix Redline Complete Aquarium Sea Salt, 55-lb box
Rated 4.2 out of 5 stars
13Reviews
$72.24 Chewy Price
$84.99 List Price
Promo, New Customers Only: Spend $60+, get $30 eGift Card

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Underwater Treasures Fuscia Fern Fish Plant, 14-in

Underwater Treasures Fuscia Fern Fish Plant, 14-in

Rated 3 out of 5 stars

3.0

5

$12.96 Chewy Price$12.96

Autoship Price

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

Underwater Treasures Dinosaur Skull Fish Ornament

Underwater Treasures Dinosaur Skull Fish Ornament

Rated 5 out of 5 stars

5.0

5

$22.06 Chewy Price$22.06

Autoship Price

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

ASF SeaTest Mg2+ Magnesium Fish Aquarium Water Test Kit, 40 count

ASF SeaTest Mg2+ Magnesium Fish Aquarium Water Test Kit, 40 count

$24.19 Chewy Price$24.19

($0.61/ea) Price per Unit($0.61/ea)

$31.99 List Price$31.99

Autoship Price

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

Salifert Aquarium Copper Test Kit

Salifert Aquarium Copper Test Kit

Rated 5 out of 5 stars

5.0

2

$14.42 Chewy Price$14.42

$16.97 List Price$16.97

Autoship Price

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

Underwater Treasures Cryptocoryne Balansae Fish Plant, 16-in

Underwater Treasures Cryptocoryne Balansae Fish Plant, 16-in

Rated 4.5 out of 5 stars

4.5

13

$5.92 Chewy Price$5.92

Autoship Price

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

ASF Reef Evolution Marine Aquarium Sea Salt, 3-gal canister

New

ASF Reef Evolution Marine Aquarium Sea Salt, 3-gal canister

$8.99 Chewy Price$8.99

($3.00/gl) Price per Unit($3.00/gl)

Autoship Price

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

Aqueon Ammonia Neutralizer Water Conditioner, 16-fl oz bottle

Aqueon Ammonia Neutralizer Water Conditioner, 16-fl oz bottle

Rated 4.6 out of 5 stars

4.6

45

$8.99 Chewy Price$8.99

($0.57/fl oz) Price per Unit($0.57/fl oz)

$14.49 List Price$14.49

Autoship Price

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

Kordon Malachite Green Fish Disease Control Aquarium Treatment, 4-fl oz bottle

Kordon Malachite Green Fish Disease Control Aquarium Treatment, 4-fl oz bottle

Rated 3.9 out of 5 stars

3.9

10

$9.99 Chewy Price$9.99

($2.50/fl oz) Price per Unit($2.50/fl oz)

$11.99 List Price$11.99

Autoship Price

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

Underwater Treasures Mini Skull Fish Aquarium Ornament

Underwater Treasures Mini Skull Fish Aquarium Ornament

Rated 3.3 out of 5 stars

3.3

11

$4.49 Chewy Price$4.49

Autoship Price

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

Penn-Plax Carbon Infused Aquarium Fish Filter Media Pad

Penn-Plax Carbon Infused Aquarium Fish Filter Media Pad

Rated 5 out of 5 stars

5.0

5

$12.99 Chewy Price$12.99

($12.99/ea) Price per Unit($12.99/ea)

Autoship Price

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

Underwater Treasures Terror Tower Fish Ornament

Underwater Treasures Terror Tower Fish Ornament

Rated 5 out of 5 stars

5.0

6

$25.14 Chewy Price$25.14

Autoship Price

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

NorthFin Veggie Formula 1 mm Sinking Pellets Fish Food, 250-g bag

NorthFin Veggie Formula 1 mm Sinking Pellets Fish Food, 250-g bag

Rated 4.7 out of 5 stars

4.7

19

$14.99 Chewy Price$14.99

($0.06/g) Price per Unit($0.06/g)

Autoship Price

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

Penn-Plax Cascade 100 Power Hang-On Filter

Penn-Plax Cascade 100 Power Hang-On Filter

Rated 4.1 out of 5 stars

4.1

10

$36.98 Chewy Price$36.98

$62.99 List Price$62.99

Autoship Price

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

CaribSea LifeRock Original Aquarium Rock

CaribSea LifeRock Original Aquarium Rock

Rated 3.7 out of 5 stars

3.7

3

$212.12 Chewy Price$212.12

Autoship Price

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

Aquaculture-One Marine Algae Flakes Fish Supplement, 1.5-oz bottle

Aquaculture-One Marine Algae Flakes Fish Supplement, 1.5-oz bottle

Rated 4 out of 5 stars

4.0

1

$9.99 Chewy Price$9.99

($6.66/oz) Price per Unit($6.66/oz)

Autoship Price

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

Microbe-Lift Algaway 5.4 Algae Control Aquarium Algaecide, 16-oz bottle

Microbe-Lift Algaway 5.4 Algae Control Aquarium Algaecide, 16-oz bottle

Rated 4.1 out of 5 stars

4.1

14

$14.99 Chewy Price$14.99

($0.94/oz) Price per Unit($0.94/oz)

Autoship Price

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

AquaForest Component 1+2+3+ Aquarium Solution, 3.96-gal

AquaForest Component 1+2+3+ Aquarium Solution, 3.96-gal

Rated 5 out of 5 stars

5.0

1

$62.69 Chewy Price$62.69

($15.84/gl) Price per Unit($15.84/gl)

Autoship Price

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

Underwater Treasures Lava Cave Fish Ornament

Underwater Treasures Lava Cave Fish Ornament

Rated 4.4 out of 5 stars

4.4

8

$6.53 Chewy Price$6.53

$21.98 List Price$21.98

Autoship Price

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

Coralife BioCube Aquarium Mini Ultraviolet Sterilizer

Coralife BioCube Aquarium Mini Ultraviolet Sterilizer

Rated 4.2 out of 5 stars

4.2

41

$56.19 Chewy Price$56.19

$96.99 List Price$96.99

Autoship Price

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

API Copper Cu+ Freshwater & Saltwater Aquarium Test Kit, 90 count

API Copper Cu+ Freshwater & Saltwater Aquarium Test Kit, 90 count

Rated 3.8 out of 5 stars

3.8

6

$12.48 Chewy Price$12.48

($0.14/ea) Price per Unit($0.14/ea)

$17.48 List Price$17.48

Autoship Price

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

Marineland Magniflow 400 Canister Freshwater & Saltwater Aquarium Filter, Up to 100-gal

Marineland Magniflow 400 Canister Freshwater & Saltwater Aquarium Filter, Up to 100-gal

Rated 3.9 out of 5 stars

3.9

67

$216.27 Chewy Price$216.27

$311.29 List Price$311.29

Autoship Price

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

Amzey Jumbo Krill Fish Food, 1-oz jar

Amzey Jumbo Krill Fish Food, 1-oz jar

Rated 4.3 out of 5 stars

4.3

8

$8.95 Chewy Price$8.95

($8.95/oz) Price per Unit($8.95/oz)

Autoship Price

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

Python Male Brass Adapter for Fish Aquarium, 13/16 x 27-in

Python Male Brass Adapter for Fish Aquarium, 13/16 x 27-in

Rated 5 out of 5 stars

5.0

2

$7.99 Chewy Price$7.99

$8.99 List Price$8.99

Autoship Price

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

Underwater Treasures Sea Fan Coral Fish Ornament, Red

Underwater Treasures Sea Fan Coral Fish Ornament, Red

Rated 4 out of 5 stars

4.0

4

$25.49 Chewy Price$25.49

Autoship Price

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

AquaClear Extension Tube, AC 20/30/50

AquaClear Extension Tube, AC 20/30/50

Rated 4.3 out of 5 stars

4.3

34

$8.69 Chewy Price$8.69

Autoship Price

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

Underwater Treasures Willow Leaf Fish Ornament, 6 count

Underwater Treasures Willow Leaf Fish Ornament, 6 count

Rated 5 out of 5 stars

5.0

2

$6.40 Chewy Price$6.40

Autoship Price

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

Underwater Treasures Tree Frog on Stump Fish Ornament

Underwater Treasures Tree Frog on Stump Fish Ornament

Rated 4.3 out of 5 stars

4.3

4

$23.68 Chewy Price$23.68

Autoship Price

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

SunSun Hang-On Aquarium UV Sterilizer Back Filter, 25-50 gal

SunSun Hang-On Aquarium UV Sterilizer Back Filter, 25-50 gal

Rated 4.3 out of 5 stars

4.3

33

$54.99 Chewy Price$54.99

Autoship Price

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

Python Female Brass Adapter for Fish Aquarium, 3/4 x 27-in

Python Female Brass Adapter for Fish Aquarium, 3/4 x 27-in

Rated 5 out of 5 stars

5.0

2

$5.52 Chewy Price$5.52

$7.99 List Price$7.99

Autoship Price

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

Aqueon Siphon Vacuum with Priming Bulb Aquarium Gravel Cleaner, 10-in

Aqueon Siphon Vacuum with Priming Bulb Aquarium Gravel Cleaner, 10-in

Rated 3.3 out of 5 stars

3.3

177

$19.79 Chewy Price$19.79

$21.49 List Price$21.49

Autoship Price

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

Fluval C3 Activated Carbon Filter Media, 3 count

Fluval C3 Activated Carbon Filter Media, 3 count

Rated 4.9 out of 5 stars

4.9

24

$8.99 Chewy Price$8.99

($3.00/ea) Price per Unit($3.00/ea)

Autoship Price

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

Aqueon Glass Adjustable Aquarium Heater, 50-watt

Aqueon Glass Adjustable Aquarium Heater, 50-watt

Rated 3.8 out of 5 stars

3.8

94

$37.95 Chewy Price$37.95

$46.99 List Price$46.99

Autoship Price

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

CaribSea LifeRock Shapes Aquarium Rock

CaribSea LifeRock Shapes Aquarium Rock

Rated 2.1 out of 5 stars

2.1

8

$138.90 Chewy Price$138.90

Autoship Price

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

Penn-Plax Deco-Replicas Aerating Lighthouse Fish Ornament, Multicolor

Penn-Plax Deco-Replicas Aerating Lighthouse Fish Ornament, Multicolor

Rated 4.4 out of 5 stars

4.4

5

$11.07 Chewy Price$11.07

$28.99 List Price$28.99

Autoship Price

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

Aquatop MaxFlow Submersible Aquarium Pump, 95 GPH

Aquatop MaxFlow Submersible Aquarium Pump, 95 GPH

Rated 2.2 out of 5 stars

2.2

5

$15.99 Chewy Price$15.99

$19.99 List Price$19.99

Autoship Price

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

Tetra Bio-Bag Medium Disposable Filter Cartridges, 12 count

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Tetra Bio-Bag Medium Disposable Filter Cartridges, 12 count

Rated 4.8 out of 5 stars

4.8

260

$14.57 Chewy Price$14.57

($1.22/ea) Price per Unit($1.22/ea)

$17.99 List Price$17.99

Autoship Price

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

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