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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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Lifegard Dragon Wood Pack, 4-8-in,

Lifegard Dragon Wood Pack, 4-8-in,

Rated 3.1 out of 5 stars

3.1

11

$24.85 Chewy Price$24.85

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jun 4 and Jun 9

Underwater Treasures Mini Plant Yellow & Green Fish Ornament, 2-in, 5 count

Underwater Treasures Mini Plant Yellow & Green Fish Ornament, 2-in, 5 count

Rated 4.4 out of 5 stars

4.4

9

$2.21 Chewy Price$2.21

Autoship Price

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

SunGrow 2 Sides Blue or Black Aquarium Background Turtle & Betta Fish Tank Backdrop Decoration

SunGrow 2 Sides Blue or Black Aquarium Background Turtle & Betta Fish Tank Backdrop Decoration

Rated 4.2 out of 5 stars

4.2

19

$14.99 Chewy Price$14.99

Autoship Price

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

Aqueon QuietFlow 20/75 Phosphate Remover Specialty Aquarium Filter Pad

Aqueon QuietFlow 20/75 Phosphate Remover Specialty Aquarium Filter Pad

Rated 4.4 out of 5 stars

4.4

29

$8.99 Chewy Price$8.99

($8.99/ea) Price per Unit($8.99/ea)

$12.99 List Price$12.99

31% Off

Autoship Price

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

Eheim 2213 Universal Fish Aquarium Pump Impeller

Eheim 2213 Universal Fish Aquarium Pump Impeller

Rated 4 out of 5 stars

4.0

3

$19.99 Chewy Price$19.99

$31.18 List Price$31.18

36% Off

Autoship Price

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

Penn-Plax Cascade Aquarium Bio-Floss Pads 1200 & 1500 Filter, 6 count, Medium

Penn-Plax Cascade Aquarium Bio-Floss Pads 1200 & 1500 Filter, 6 count, Medium

Rated 4.8 out of 5 stars

4.8

22

$17.99 Chewy Price$17.99

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

$21.99 List Price$21.99

18% Off

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between May 31 and Jun 3

biOrb Aquarium Decor Set, 8-gal, Pink Ocean

biOrb Aquarium Decor Set, 8-gal, Pink Ocean

Rated 4.4 out of 5 stars

4.4

16

$59.99 Chewy Price$59.99

$109.99 List Price$109.99

45% Off

Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between May 31 and Jun 5

Underwater Treasures Mini Plant Fish Aquarium Ornament, 5 count

Underwater Treasures Mini Plant Fish Aquarium Ornament, 5 count

Rated 3 out of 5 stars

3.0

5

$3.99 Chewy Price$3.99

Autoship Price

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

NorthFin Kelp Wafers 14 mm Fish Food, 100-g bag

NorthFin Kelp Wafers 14 mm Fish Food, 100-g bag

Rated 4.8 out of 5 stars

4.8

42

$7.99 Chewy Price$7.99

($0.08/g) Price per Unit($0.08/g)

Autoship Price

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

Penn-Plax 2-in Natural Betta Fish Plant, Multicolor, 12 count

Penn-Plax 2-in Natural Betta Fish Plant, Multicolor, 12 count

Rated 5 out of 5 stars

5.0

4

$10.99 Chewy Price$10.99

$11.99 List Price$11.99

Autoship Price

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

Aqueon Quietflow E Internal Power Filter, 10-gal

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Aqueon Quietflow E Internal Power Filter, 10-gal

Rated 4.3 out of 5 stars

4.3

66

$14.92 Chewy Price$14.92

$18.49 List Price$18.49

19% Off

Autoship Price

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

Underwater Treasures Mini Moss Rock Fish Ornament, 5 count

Underwater Treasures Mini Moss Rock Fish Ornament, 5 count

Rated 3.4 out of 5 stars

3.4

33

$7.76 Chewy Price$7.76

Autoship Price

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

Penn-Plax Ammonia Reducer Aquarium Fish Filter Media Pad

Penn-Plax Ammonia Reducer Aquarium Fish Filter Media Pad

Rated 4.6 out of 5 stars

4.6

10

$11.99 Chewy Price$11.99

($11.99/ea) Price per Unit($11.99/ea)

$12.99 List Price$12.99

Autoship Price

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

Underwater Treasures Magenta Moon Fish Ornament, 16-in

Underwater Treasures Magenta Moon Fish Ornament, 16-in

Rated 4.8 out of 5 stars

4.8

25

$14.00 Chewy Price$14.00

Autoship Price

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

Underwater Treasures Petrified Wood Fish Aquarium Ornament, Large

Underwater Treasures Petrified Wood Fish Aquarium Ornament, Large

Rated 3.9 out of 5 stars

3.9

53

$34.99 Chewy Price$34.99

Autoship Price

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

Underwater Treasures Glowing Anemone Fish Ornament, Small, Pink

Underwater Treasures Glowing Anemone Fish Ornament, Small, Pink

Rated 4.5 out of 5 stars

4.5

11

$8.63 Chewy Price$8.63

Autoship Price

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

Underwater Treasures Diandra Fish Ornament

Underwater Treasures Diandra Fish Ornament

Rated 1 out of 5 stars

1.0

1

$3.46 Chewy Price$3.46

Autoship Price

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

Penn-Plax Frozen Mini Resin Bundle Aquarium Decoration Set, 4-pack

Penn-Plax Frozen Mini Resin Bundle Aquarium Decoration Set, 4-pack

Rated 3.5 out of 5 stars

3.5

2

$28.99 Chewy Price$28.99

$41.99 List Price$41.99

31% Off

Autoship Price

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

Underwater Treasures White Tipped Cardamine Fish Aquarium Ornament

Underwater Treasures White Tipped Cardamine Fish Aquarium Ornament

Rated 4.8 out of 5 stars

4.8

8

$11.99 Chewy Price$11.99

Autoship Price

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

Underwater Treasures Decorative Marbles Fish Ornament, 100 count, Blue

Underwater Treasures Decorative Marbles Fish Ornament, 100 count, Blue

Rated 4.3 out of 5 stars

4.3

33

$3.27 Chewy Price$3.27

Autoship Price

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

Underwater Treasures Red Ludwigia Fish Plant

Underwater Treasures Red Ludwigia Fish Plant

Rated 4.9 out of 5 stars

4.9

7

$10.05 Chewy Price$10.05

Autoship Price

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

Underwater Treasures Red/Green Springeri Fish Plant, 12-in

Underwater Treasures Red/Green Springeri Fish Plant, 12-in

Rated 4.9 out of 5 stars

4.9

24

$4.30 Chewy Price$4.30

Autoship Price

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

Underwater Treasures Ancient Wine Vessel Fish Ornament

Underwater Treasures Ancient Wine Vessel Fish Ornament

Rated 4.5 out of 5 stars

4.5

11

$6.54 Chewy Price$6.54

Autoship Price

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

Underwater Treasures Mossy Barrel Hideout Fish Ornament, Triple

Underwater Treasures Mossy Barrel Hideout Fish Ornament, Triple

Rated 3.4 out of 5 stars

3.4

7

$8.73 Chewy Price$8.73

Autoship Price

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

Underwater Treasures Green Cabomba Fish Plant, 8-in

Underwater Treasures Green Cabomba Fish Plant, 8-in

Rated 4.7 out of 5 stars

4.7

23

$2.94 Chewy Price$2.94

Autoship Price

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

Underwater Treasures Pitted Rock Wall Fish Aquarium Ornament, Large

Underwater Treasures Pitted Rock Wall Fish Aquarium Ornament, Large

Rated 4.4 out of 5 stars

4.4

19

$41.91 Chewy Price$41.91

Autoship Price

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

Underwater Treasures Bamboo Fish Ornament, 12-in

Underwater Treasures Bamboo Fish Ornament, 12-in

Rated 4.7 out of 5 stars

4.7

3

$4.56 Chewy Price$4.56

Autoship Price

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

Underwater Treasures Jade Pothos Fish Plant

Underwater Treasures Jade Pothos Fish Plant

Rated 4.4 out of 5 stars

4.4

13

$18.26 Chewy Price$18.26

Autoship Price

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

Penn-Plax Pirate Treasure Ship Fish Ornament, Small, Multicolor

Penn-Plax Pirate Treasure Ship Fish Ornament, Small, Multicolor

Rated 5 out of 5 stars

5.0

1

$12.99 Chewy Price$12.99

$16.99 List Price$16.99

24% Off

Autoship Price

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

Underwater Treasures Reef Scenery Fish Ornament

Underwater Treasures Reef Scenery Fish Ornament

Rated 4.7 out of 5 stars

4.7

12

$13.86 Chewy Price$13.86

Autoship Price

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

Underwater Treasures Weeping Fern Fish Plant

Underwater Treasures Weeping Fern Fish Plant

Rated 4.7 out of 5 stars

4.7

11

$3.59 Chewy Price$3.59

Autoship Price

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

Underwater Treasures Sunfire Passion Fish Plant, 12-in

Underwater Treasures Sunfire Passion Fish Plant, 12-in

Rated 4.9 out of 5 stars

4.9

12

$13.18 Chewy Price$13.18

Autoship Price

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

Underwater Treasures Hairgrass Fish Plant, 16-in, Red/Green

Underwater Treasures Hairgrass Fish Plant, 16-in, Red/Green

Rated 4.7 out of 5 stars

4.7

20

$6.17 Chewy Price$6.17

Autoship Price

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

Penn-Plax Aqua-Plants Artificial Soft Silicone Sea Anemone Fish Plant, Pink

Penn-Plax Aqua-Plants Artificial Soft Silicone Sea Anemone Fish Plant, Pink

Rated 4.7 out of 5 stars

4.7

20

$14.99 Chewy Price$14.99

$19.99 List Price$19.99

25% Off

Autoship Price

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

Underwater Treasures Flame Fish Ornament

Underwater Treasures Flame Fish Ornament

Rated 4.2 out of 5 stars

4.2

9

$2.81 Chewy Price$2.81

Autoship Price

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

Underwater Treasures Jurassic Fern Fish Plant, 10-in

Underwater Treasures Jurassic Fern Fish Plant, 10-in

Rated 4.3 out of 5 stars

4.3

16

$11.80 Chewy Price$11.80

Autoship Price

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

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