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  1. Carib Sea Seaflor Super Reef 15lb

    Carib Sea Seaflor Super Reef 15lb

    $45.98

    0.5 - 2mm So many choices try them all! More than just aragonite! CaribSea's dry marine substrates are recognized worldwide for their purity and precision. Our substrates are purposely engineered and free of impurities such as ash, metals, pesticides, and silica; which allows you to create a safe and beautiful environment for your fish and invertebrates. Precision grading makes system design a breeze! No matter what type of system you are setting up, we have the substrate that's perfect for the filtration method and habitat you are creating. Learn More
  2. Carib Sea Reptilite Aztec Gold 20lb

    Carib Sea Reptilite Aztec Gold 20lb

    $37.98

    Carib Sea Reptilite Aztec Gold 20lb Learn More
  3. Carib Sea Reptilite Aztec Gold 10lb

    Carib Sea Reptilite Aztec Gold 10lb

    $21.98

    Carib Sea Reptilite Aztec Gold 10lb Learn More
  4. Carib Sea Reptilite Aztec Gold 6.25lb(Bonus 1.25lb Included)

    Carib Sea Reptilite Aztec Gold 6.25lb(Bonus 1.25lb Included)

    $11.80

    Carib Sea Reptilite Aztec Gold 6.25lb(Bonus 1.25lb Included) Learn More
  5. Carib Sea Reptilite Desert Rose 20lb

    Carib Sea Reptilite Desert Rose 20lb

    $41.97

    Carib Sea Reptilite Desert Rose 20lb Learn More
  6. Carib Sea Reptilite Desert Rose 10lb

    Carib Sea Reptilite Desert Rose 10lb

    $35.84

    Carib Sea Reptilite Desert Rose 10lb Learn More
  7. Carib Sea Reptilite Smokey Sands 6.25lb(Bonus 1.25lb Included)

    Carib Sea Reptilite Smokey Sands 6.25lb(Bonus 1.25lb Included)

    $11.80

    Carib Sea Reptilite Smokey Sands 6.25lb(Bonus 1.25lb Included) Learn More
  8. Carib Sea Reptilite Smokey Sands 10lb

    Carib Sea Reptilite Smokey Sands 10lb

    $21.98

    Carib Sea Reptilite Smokey Sands 10lb Learn More
  9. Carib Sea Reptilite Desert Sunset 20lb

    Carib Sea Reptilite Desert Sunset 20lb

    $37.98

    Carib Sea Reptilite Desert Sunset 20lb Learn More
  10. Carib Sea Reptilite Desert Sunset 10lb

    Carib Sea Reptilite Desert Sunset 10lb

    $21.98

    Carib Sea Reptilite Desert Sunset 10lb Learn More
  11. Carib Sea Retilite Desert Sunset 6.25lb(Bonus 1.25lb Included)

    Carib Sea Retilite Desert Sunset 6.25lb(Bonus 1.25lb Included)

    $11.80

    Carib Sea Retilite Desert Sunset 6.25lb(Bonus 1.25lb Included) Learn More
  12. Carib Sea Reptilite Baja Tan 6.25lb(Bonus 1.25lb Included)

    Carib Sea Reptilite Baja Tan 6.25lb(Bonus 1.25lb Included)

    $11.80

    Carib Sea Reptilite Baja Tan 6.25lb(Bonus 1.25lb Included) Learn More
  13. Carib Sea Reptilite Baja Tan 20lb

    Carib Sea Reptilite Baja Tan 20lb

    $37.98

    Carib Sea Reptilite Baja Tan 20lb Learn More
  14. Carib Sea Reptilite Moss Green 20lb

    Carib Sea Reptilite Moss Green 20lb

    $37.98

    Carib Sea Reptilite Moss Green 20lb Learn More
  15. Carib Sea Reptilite Moss Green 6.25lb(Bonus 1.25lb Included)

    Carib Sea Reptilite Moss Green 6.25lb(Bonus 1.25lb Included)

    $11.80

    Carib Sea Reptilite Moss Green 6.25lb(Bonus 1.25lb Included) Learn More
  16. Carib Sea Reptilite Sky Blue 20lb

    Carib Sea Reptilite Sky Blue 20lb

    $37.98

    Carib Sea Reptilite Sky Blue 20lb Learn More
  17. Carib Sea Reptilite Big Sky Blue 6.25lb(Bonus 1.25lb Included)

    Carib Sea Reptilite Big Sky Blue 6.25lb(Bonus 1.25lb Included)

    $11.80

    Carib Sea Reptilite Big Sky Blue 6.25lb(Bonus 1.25lb Included) Learn More
  18. Serenity Freshwater Gravels Freshwater Gravel White 10kg

    Serenity Freshwater Gravels Freshwater Gravel White 10kg

    $31.98

    Serenity Freshwater Gravels Freshwater Gravel White 10kg Learn More
  19. Carib Sea Reptilite Natural White 6.25lb(Bonus 1.25lb Included)

    Carib Sea Reptilite Natural White 6.25lb(Bonus 1.25lb Included)

    $11.80

    Carib Sea Reptilite Natural White 6.25lb(Bonus 1.25lb Included) Learn More
  20. Carib Sea Reptilite Natural White 10lb

    Carib Sea Reptilite Natural White 10lb

    $21.98

    Carib Sea Reptilite Natural White 10lb Learn More
  21. Aragamax Ultra Pink 15lb Exclusive to Aqua Blue

    Aragamax Ultra Pink 15lb Exclusive to Aqua Blue

    $39.58

    0.5 - 2mm. Exclusive to Aqua Blue. So many choices try them all! More than just aragonite! CaribSea's dry marine substrates are recognized worldwide for their purity and precision. Our substrates are purposely engineered and free of impurities such as ash, metals, pesticides, and silica; which allows you to create a safe and beautiful environment for your fish and invertebrates. Precision grading makes system design a breeze! No matter what type of system you are setting up, we have the substrate that's perfect for the filtration method and habitat you are creating. Learn More
  22. Carib Sea Rubble Zone 6lb / 2.72kg

    Carib Sea Rubble Zone 6lb / 2.72kg

    $25.90

    Carib Sea Rubble Zone 6lb / 2.72kg Learn More
  23. Carib Sea Instant Aq Kon Tiki 20lb / 9.1kg

    Carib Sea Instant Aq Kon Tiki 20lb / 9.1kg

    $39.98

    Carib Sea Instant Aq Kon Tiki 20lb / 9.1kg Learn More
  24. Carib Sea Instant Aq Rio Grande 20lb / 9.1kg

    Carib Sea Instant Aq Rio Grande 20lb / 9.1kg

    $39.98

    3 - 5mm Now get the benefits of rapid break-in that were only available to marine aquarists until now! Confidence in a bag. Instant AquariumTM takes the guess work out of starting a new tank. The Instant AquariumTM line offers a variety of finer grade natural gravels and sands water packed with living, water-purifying bacteria, state of the art clarifier, and a complete water conditioner. Tap water is all you need to get started. Instant AquariumTM immediately begins the cycling process, eliminating new tank syndrome, and discouraging nuisance algaes. Instant AquariumTM detoxifies metals, eliminates ammonia, neutralizes chlorine and chloramines, and provides a protective slime coat for stressed fish. Instant AquariumTM also reduces nitrates and nitrites. Starting a new aquarium has never been easier. Learn More
  25. Carib Sea Instant Aq Tahitian Moon 20lb / 9.1kg

    Carib Sea Instant Aq Tahitian Moon 20lb / 9.1kg

    $47.97

    0.1 - 0.3mm Now get the benefits of rapid break-in that were only available to marine aquarists until now! Confidence in a bag. Instant AquariumTM takes the guess work out of starting a new tank. The Instant AquariumTM line offers a variety of finer grade natural gravels and sands water packed with living, water-purifying bacteria, state of the art clarifier, and a complete water conditioner. Tap water is all you need to get started. Instant AquariumTM immediately begins the cycling process, eliminating new tank syndrome, and discouraging nuisance algaes. Instant AquariumTM detoxifies metals, eliminates ammonia, neutralizes chlorine and chloramines, and provides a protective slime coat for stressed fish. Instant AquariumTM also reduces nitrates and nitrites. Starting a new aquarium has never been easier. Learn More

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