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Summer Sale! Use code SUMMER26 for 15% off · Free shipping on orders $49+
Summer Sale! Use code SUMMER26 for 15% off our summer collection! Free shipping on orders $49+
Colorful tropical fish swimming in a well-maintained aquarium with plants and decorations

Fish

Create the perfect aquatic environment for your finned friends with our complete selection of fish supplies. From filtration systems and water treatments to nutritious foods and decorative elements, we have everything needed to keep your fish healthy and thriving in their underwater home.

Whether you're caring for tropical species, goldfish, or saltwater varieties, our quality products make aquarium maintenance simple and enjoyable. Discover the essentials that will help your fish live their best life.

#TR-Fish

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Two bottles of Ultimate water conditioner showing tropical fish graphics and blue caps
Two bottles of Ultimate water conditioner with blue caps and colorful fish graphics on labels Sale Sale

Ultimate Cloram-X Aquarium Water Conditioner

$124.78
$124.78 - $124.78
$124.78
$55.95
$55.95 - $55.95
$55.95
in stock

Why you'll love it Transform your aquarium setup from days to minutes. This powerful water conditioner instantly neutralizes harmful chemicals like...

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$124.78
$124.78 - $124.78
$124.78
$55.95
$55.95 - $55.95
$55.95
Sale Sale
Black plastic jug of Brightwell Aquatics Reef Code A marine calcium supplement, 2 liter size
Black plastic jug of Brightwell Aquatics Reef Code A calcium supplement with blue coral label Sale Sale

Premium Two-Part Calcium Supplement System

$91.72
$91.72 - $91.72
$91.72
$40.95
$40.95 - $40.95
$40.95
in stock

Why you'll love itThis professional-grade two-part calcium system maintains perfect reef water chemistry with the same ionic ratios found in natura...

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$91.72
$91.72 - $91.72
$91.72
$40.95
$40.95 - $40.95
$40.95
Sale Sale
Green bottle of Ultimate water conditioner with blue cap showing tropical fish graphics
Green bottle of Ultimate water conditioner with blue cap showing fish images and product benefits Sale Sale

Hikari Ultimate Aquarium Water Conditioner

$58.50
$58.50 - $58.50
$58.50
$26.95
$26.95 - $26.95
$26.95
in stock

Why you'll love itThis isn't just another water conditioner — it's a complete water treatment system in one bottle. The Hikari Ultimate Water Condi...

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$58.50
$58.50 - $58.50
$58.50
$26.95
$26.95 - $26.95
$26.95
Sale Sale
Blue KOIKA OBIO aquarium probiotic bottle next to its turquoise and orange retail packaging box
Blue KOIKA OBIO aquarium probiotic bottle with packaging box showing spirulina extract label Sale Sale

KOIKA OBIO Aquarium Water Treatment Solution

$242.44
$242.44 - $242.44
$242.44
$106.95
$106.95 - $106.95
$106.95
in stock

Why you'll love itTransform your aquarium maintenance routine with KOIKA OBIO – the all-in-one water treatment that clears water, reduces odors, an...

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$242.44
$242.44 - $242.44
$242.44
$106.95
$106.95 - $106.95
$106.95
Sale Sale
Fluval Quick Clear Aquarium Water Treatment
Blue bottle of Fluval Quick Clear aquarium water clarifier with light blue cap and fish graphic
Sale Sale

Fluval Quick Clear Aquarium Water Treatment

$47.63
$47.63 - $47.63
$47.63
$21.95
$21.95 - $21.95
$21.95
in stock

Why you'll love itGet crystal clear aquarium water fast with this professional-grade treatment that eliminates cloudiness caused by floating partic...

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$47.63
$47.63 - $47.63
$47.63
$21.95
$21.95 - $21.95
$21.95
Sale Sale
API Stress Coat Water Conditioner
API Stress Coat+ water conditioner bottle showing blue and yellow label with fish illustration
Sale Sale

API Stress Coat Water Conditioner

$139.60
$139.60 - $139.60
$139.60
$61.95
$61.95 - $61.95
$61.95
in stock

Why you'll love itThis water conditioner doesn't just remove harmful chemicals—it actively helps your fish heal and reduces their stress by 40%. Ke...

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$139.60
$139.60 - $139.60
$139.60
$61.95
$61.95 - $61.95
$61.95
Sale Sale
NeoMarine reef salt bucket and bag with yellow fish on coral reef background packaging design
NeoMarine reef salt containers showing bucket and bag with yellow tropical fish design
Sale Sale

Premium Marine Salt Blend for Reef Aquariums

$124.75
$124.75 - $124.75
$124.75
$55.95
$55.95 - $55.95
$55.95
in stock

Why you'll love itTransform your reef aquarium with Brightwell Aquatics' scientifically formulated marine salt that perfectly replicates natural se...

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$124.75
$124.75 - $124.75
$124.75
$55.95
$55.95 - $55.95
$55.95
Sale Sale
Aquarium test kit bottle with colorful water parameter chart and test strips displayed
10-in-1 aquarium test kit box with colorful test strips and color chart showing water parameters
Sale Sale

10-in-1 Aquarium Water Test Strips Kit

$125.91
$125.91 - $125.91
$125.91
$55.95
$55.95 - $55.95
$55.95
in stock

Why you'll love itKeep your fish healthy and your aquarium thriving with this comprehensive water testing solution that checks 10 essential paramet...

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$125.91
$125.91 - $125.91
$125.91
$55.95
$55.95 - $55.95
$55.95
Sale Sale
Detailed Titanic shipwreck aquarium ornament with moss-covered base shown at diagonal angle
Detailed Titanic shipwreck aquarium ornament showing weathered hull with moss covered base
Sale Sale

Detailed Titanic Shipwreck Aquarium Ornament

$110.09
$110.09 - $110.09
$110.09
$48.95
$48.95 - $48.95
$48.95
in stock

Why you'll love itTransform your aquarium into an underwater museum with this historically-inspired Titanic replica. This detailed resin ornament c...

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$110.09
$110.09 - $110.09
$110.09
$48.95
$48.95 - $48.95
$48.95
Sale Sale
Green artificial aquarium plants showing feathery and moss-like textures on white background
Green artificial aquarium plants with feathery and moss-like textures on white background
Sale Sale

Realistic Aquatic Plant Decoration Set

$76.99
$76.99 - $76.99
$76.99
$34.95
$34.95 - $34.95
$34.95
in stock

Why you'll love itTransform your fish tank into a lush underwater paradise with this 6-piece green aquatic plant set. These realistic decorations c...

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$76.99
$76.99 - $76.99
$76.99
$34.95
$34.95 - $34.95
$34.95
Sale Sale
Two weathered wooden barrel aquarium decorations with moss details, shown in dark and reddish colors
Two rustic broken barrel aquarium decorations in dark gray and reddish brown with moss details
Sale Sale

Rustic Broken Barrel Aquarium Cave Hideouts

$62.33
$62.33 - $62.33
$62.33
$27.95
$27.95 - $27.95
$27.95
in stock

Why you'll love itThese charming broken barrel decorations give your fish the perfect hideaway spots while adding authentic rustic character to you...

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$62.33
$62.33 - $62.33
$62.33
$27.95
$27.95 - $27.95
$27.95
Sale Sale
Dark grey rocky aquarium cave decoration with artificial green plants and small white pagoda
Dark gray rock aquarium decoration with green moss, artificial plants and cave openings
Sale Sale

Mountain View Aquarium Hideout Cave

$128.46
$128.46 - $128.46
$128.46
$56.95
$56.95 - $56.95
$56.95
in stock

Why you'll love it Transform your aquarium into a stunning underwater landscape with this realistic mountain cave decoration. Your fish get cozy hi...

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$128.46
$128.46 - $128.46
$128.46
$56.95
$56.95 - $56.95
$56.95
Sale Sale
Glowing artificial coral decoration with rainbow LED lighting effects on aquarium base
Glowing purple and pink silicone coral decoration with fan-shaped tentacles on dark background
Sale Sale

Glowing Silicone Aquarium Coral Decorations

$50.93
$50.93 - $50.93
$50.93
$22.95
$22.95 - $22.95
$22.95
in stock

Why you'll love itTransform your aquarium into a mesmerizing underwater paradise with these safe, vibrant coral decorations that actually glow unde...

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$50.93
$50.93 - $50.93
$50.93
$22.95
$22.95 - $22.95
$22.95
Sale Sale
Artistic sandstone thinker statue in meditation pose surrounded by lush green aquarium plants
Sandstone thinker statue sitting cross-legged in planted aquarium with green plants and small fish
Sale Sale

Artistic Sandstone Thinker Statue Aquarium Decoration

$62.33
$62.33 - $62.33
$62.33
$27.95
$27.95 - $27.95
$27.95
in stock

Why you'll love itTransform your aquarium into a sophisticated underwater gallery with this elegant thinker statue. This artistic decoration adds i...

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$62.33
$62.33 - $62.33
$62.33
$27.95
$27.95 - $27.95
$27.95
Sale Sale
Natural driftwood aquarium decoration with artificial green plants growing from carved openings
Aquarium driftwood decoration with artificial green plants growing from dark weathered wood
Sale Sale

Large Natural-Look Rock Cave Aquarium Decoration

$80.70
$80.70 - $80.70
$80.70
$35.95
$35.95 - $35.95
$35.95
in stock

Why you'll love itTransform your aquarium into a natural underwater landscape with this impressive 5.5" (14 cm) rock cave decoration that provides ...

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$80.70
$80.70 - $80.70
$80.70
$35.95
$35.95 - $35.95
$35.95
Sale Sale
Two broken barrel aquarium caves with orange goldfish swimming nearby against white background
Two aquarium barrel caves with moss details and colorful goldfish swimming nearby on white
Sale Sale

Broken Barrel Aquarium Caves (2-Pack)

$62.33
$62.33 - $62.33
$62.33
$27.95
$27.95 - $27.95
$27.95
in stock

Why you'll love itTransform your aquarium into an underwater pirate adventure with these realistic broken barrel caves. Your fish get the perfect h...

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$62.33
$62.33 - $62.33
$62.33
$27.95
$27.95 - $27.95
$27.95
Sale Sale
Weathered wooden house aquarium ornament with artificial green plants on white background
Weathered aquarium house decoration with wooden platform, artificial green plants on driftwood
Sale Sale

Realistic House Terrace Aquarium Decoration

$80.70
$80.70 - $80.70
$80.70
$35.95
$35.95 - $35.95
$35.95
in stock

Why you'll love it Transform your fish tank into a captivating underwater world with this detailed house-on-terrace ornament that provides both vis...

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$80.70
$80.70 - $80.70
$80.70
$35.95
$35.95 - $35.95
$35.95
Sale Sale
Gray rock aquarium cave ornament with green algae, artificial plants, and colorful betta fish
Gray rock aquarium ornament with cave opening, green moss details and colorful betta fish
Sale Sale

Realistic Mountain Cave Aquarium Ornament

$121.11
$121.11 - $121.11
$121.11
$53.95
$53.95 - $53.95
$53.95
in stock

Why you'll love itTransform your aquarium into a stunning underwater landscape with this realistic mountain rock cave decoration. Your fish will lo...

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$121.11
$121.11 - $121.11
$121.11
$53.95
$53.95 - $53.95
$53.95
Sale Sale
Colorful underwater scene with glowing jellyfish, coral, clownfish and aquarium decorations
Colorful underwater scene with glowing jellyfish, coral, clownfish and aquarium decorations
Sale Sale

Glowing Aquarium Decoration Plant Set

$88.05
$88.05 - $88.05
$88.05
$39.95
$39.95 - $39.95
$39.95
in stock

Why you'll love itTransform your fish tank into a mesmerizing underwater wonderland with these glow-in-the-dark decorations. Your fish get cozy hid...

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$88.05
$88.05 - $88.05
$88.05
$39.95
$39.95 - $39.95
$39.95
Sale Sale
Hobbit house aquarium decoration with moss-covered walls, circular windows, and artificial plants
Green moss-covered hobbit house aquarium decoration with round doors and brick chimney
Sale Sale

Hobbit House Aquarium Cave Set

$77.02
$77.02 - $77.02
$77.02
$34.95
$34.95 - $34.95
$34.95
in stock

Why you'll love it Transform your aquarium into a magical underwater world with this charming hobbit house cave set. Your fish get cozy hideouts wh...

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$77.02
$77.02 - $77.02
$77.02
$34.95
$34.95 - $34.95
$34.95
Sale Sale
Natural driftwood cave aquarium decoration with green moss and artificial plants on white background
Natural brown driftwood cave ornament with green moss and live aquatic plants growing from top
Sale Sale

Natural Driftwood Cave Aquarium Ornament

$68.26
$68.26 - $68.26
$68.26
$30.95
$30.95 - $30.95
$30.95
in stock

Why you'll love itTransform your fish tank into a beautiful underwater landscape while giving your betta and other small fish the perfect hideaway ...

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$68.26
$68.26 - $68.26
$68.26
$30.95
$30.95 - $30.95
$30.95
Sale Sale
Two-story Asian pagoda aquarium decoration with grey tiled roofs, artificial plants and rocks
Multi-tiered pagoda aquarium ornament with tiled roofs, wooden structure, artificial plants and
Sale Sale

Classical Chinese Landscape Aquarium Castle

$89.84
$89.84 - $89.84
$89.84
$39.95
$39.95 - $39.95
$39.95
in stock

Why you'll love itTransform your aquarium into a serene Chinese landscape with this beautifully crafted resin castle decoration. Your fish will lov...

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$89.84
$89.84 - $89.84
$89.84
$39.95
$39.95 - $39.95
$39.95
Sale Sale
Hobbit house aquarium decoration with moss-covered roof, brick chimney, and round wooden door
Hobbit house aquarium decoration with moss-covered roof, brick chimney, and bubbles rising
Sale Sale

Hobbit Castle Aquarium Decoration

$139.48
$139.48 - $139.48
$139.48
$61.95
$61.95 - $61.95
$61.95
in stock

Why you'll love itTransform your aquarium into a magical underwater world with this enchanting hobbit-style castle decoration. Perfect for creating...

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$139.48
$139.48 - $139.48
$139.48
$61.95
$61.95 - $61.95
$61.95
Sale Sale
Purple silicone coral decoration glowing underwater with feathery tentacles on dark substrate
Purple glowing silicone coral aquarium decoration with feathery tentacles on dark gravel substrate
Sale Sale

Glowing Silicone Coral Aquarium Decoration

$62.33
$62.33 - $62.33
$62.33
$27.95
$27.95 - $27.95
$27.95
in stock

Why you'll love itTransform your aquarium into a mesmerizing underwater garden with this soft silicone coral that glows beautifully under tank ligh...

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$62.33
$62.33 - $62.33
$62.33
$27.95
$27.95 - $27.95
$27.95
Sale Sale

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