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At AquaCave, we offer some of the best selections and best prices on aquarium live rock, sand, backgrounds, driftwood, and decorations for your marine, reef, and freshwater aquarium.

  • Caribsea Coralline Coral Style Substrate, 20 lb.

    CaribSea

    Caribsea Coralline Coral Style Substrate, 20 lb.

    Caribsea Coralline Coral Style Substrate, 20 lb. Premium-quality, natural, dramatic color and texture marine aquarium gravel adds fun and beauty to your finned or scaly friends’ environment. Looks great in both indoor tanks and outdoor ponds;...

    $38.95
  • Caribsea Eco-Complete Planted Aquarium, Black 20 lbs. Caribsea Eco-Complete Planted Aquarium, Black 20 lbs. Caribsea Eco-Complete Planted Aquarium, Black 20 lbs.

    CaribSea

    Caribsea Eco-Complete Planted Aquarium, Black 20 lbs.

    Caribsea Eco-Complete Planted Aquarium, Black 20 lbs. Keep your aquarium plants growing and thriving with the CaribSea Eco-Complete Planted Aquarium Substrate. This ready-to-use formula contains basaltic volcanic soil which contains iron, calcium,...

    $38.95
  • Caribsea Eco-Complete Planted Aquarium, Red 20 lbs. Caribsea Eco-Complete Planted Aquarium, Red 20 lbs. Caribsea Eco-Complete Planted Aquarium, Red 20 lbs.

    CaribSea

    Caribsea Eco-Complete Planted Aquarium, Red 20 lbs.

    Caribsea Eco-Complete Planted Aquarium, Red 20 lbs. Keep your aquarium plants growing and thriving with the CaribSea Eco-Complete Planted Aquarium Substrate. This ready-to-use formula contains basaltic volcanic soil which contains iron, calcium,...

    $38.95
  • Caribsea EcoComplete African Cichlid Black 20 lbs. Caribsea EcoComplete African Cichlid Black 20 lbs. Caribsea EcoComplete African Cichlid Black 20 lbs.

    CaribSea

    Caribsea EcoComplete African Cichlid Black 20 lbs.

    Caribsea EcoComplete African Cichlid Black 20 lbs. The secret to successfully keeping African Cichlids begins with Eco-Complete African Cichlid Substrates. These mineralogically complete substrates contain aragonite to maintain the high pH African...

    $38.95
  • Caribsea Super Naturals - Jelly Beans 20 lbs. Caribsea Super Naturals - Jelly Beans 20 lbs. Caribsea Super Naturals - Jelly Beans 20 lbs.

    CaribSea

    Caribsea Super Naturals - Jelly Beans 20 lbs.

    Caribsea Super Naturals - Jelly Beans 20 lbs. Create a supernatural experience by re-creating the natural world in your home. Enjoy a piece of the Rio Negro as it winds its way through dark and brooding jungles. Own a sliver of the sunlit Sri Lankan...

    $38.95
  • CaribSea Super Naturals - Maui Moon 20 lbs

    CaribSea

    CaribSea Super Naturals - Maui Moon 20 lbs

    CaribSea Super Naturals - Maui Moon 20 lbs Super Naturals Aquascapes™ Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process...

    $38.95
  • Caribsea Super Naturals - Peace River 20 lbs. Caribsea Super Naturals - Peace River 20 lbs.

    CaribSea

    Caribsea Super Naturals - Peace River 20 lbs.

    Caribsea Super Naturals - Peace River 20 lbs. CaribSea pre-washed Super Naturals are designed with your success and ease of use in mind. Sizes and colors have been carefully selected to help you create a natural underwater environment like those of the...

    $38.95
  • CaribSea Super Naturals - Raven River Pebble 20 lbs

    CaribSea

    CaribSea Super Naturals - Raven River Pebble 20 lbs

    CaribSea Super Naturals - Raven River Pebble 20 lbs Super Naturals Aquascapes™ Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling...

    $38.95
  • CaribSea Super Naturals - Shadow Creek 20 lbs

    CaribSea

    CaribSea Super Naturals - Shadow Creek 20 lbs

    CaribSea Super Naturals - Shadow Creek 20 lbs Super Naturals Aquascapes™ Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process...

    $38.95
  • Caribsea Super Naturals - Snowy River 20 lbs. Caribsea Super Naturals - Snowy River 20 lbs.

    CaribSea

    Caribsea Super Naturals - Snowy River 20 lbs.

    Caribsea Super Naturals - Snowy River 20 lbs. Create a supernatural experience by re-creating the natural world in your home. Enjoy a piece of the Rio Negro as it winds its way through dark and brooding jungles. Own a sliver of the sunlit Sri Lankan...

    $38.95
  • Caribsea Super Naturals - Sunset Gold 20 lbs. Caribsea Super Naturals - Sunset Gold 20 lbs. Caribsea Super Naturals - Sunset Gold 20 lbs.

    CaribSea

    Caribsea Super Naturals - Sunset Gold 20 lbs.

    Caribsea Super Naturals - Sunset Gold 20 lbs. Create a supernatural experience by re-creating the natural world in your home. Enjoy a piece of the Rio Negro as it winds its way through dark and brooding jungles. Own a sliver of the sunlit Sri Lankan...

    $38.95
  • Caribsea Super Naturals - Torpedo Beach 20 lbs. Caribsea Super Naturals - Torpedo Beach 20 lbs. Caribsea Super Naturals - Torpedo Beach 20 lbs. Caribsea Super Naturals - Torpedo Beach 20 lbs.

    CaribSea

    Caribsea Super Naturals - Torpedo Beach 20 lbs.

    Caribsea Super Naturals - Torpedo Beach 20 lbs. Create a supernatural experience by re-creating the natural world in your home. Enjoy a piece of the Rio Negro as it winds its way through dark and brooding jungles. Own a sliver of the sunlit Sri Lankan...

    $38.95
  • CaribSea Super Naturals Essentials - Zen Garden, 20 lb. CaribSea Super Naturals Essentials - Zen Garden, 20 lb.

    CaribSea

    CaribSea Super Naturals Essentials - Zen Garden, 20 lb.

    CaribSea Super Naturals Essentials - Zen Garden, 20 lb. Help your fish feel right at home with CaribSea Super Naturals Zen Garden Aquarium Gravel. This gravel contains a variety of neutral-color stones to mimic your fish’s natural environment. It’s...

    $38.95
  • CaribSea Super Naturals Moonlight Sand, 20 lb. CaribSea Super Naturals Moonlight Sand, 20 lb. CaribSea Super Naturals Moonlight Sand, 20 lb.

    CaribSea

    CaribSea Super Naturals Moonlight Sand, 20 lb.

    CaribSea Super Naturals Moonlight Sand, 20 lb. Create a supernatural experience by re-creating the natural world in your home. Enjoy a piece of the Rio Negro as it winds its way through dark and brooding jungles. Own a sliver of the sunlit Sri Lankan...

    $38.95
  • Marco Rock Aragonite Sand, 22.5 lbs. Bag

    Marco Rocks

    Marco Rock Aragonite Sand, 22.5 lbs. Bag

    Marco Rock Aragonite Sand, 22.5 lbs. Bag The goal with MarcoRocks Bahama Aragonite Sand was to recreate what you would normally find on the floor of a coral reef. It is 100% natural and will give a beautiful natural white sand color under most...

    $38.95
  • MarcoRocks 5Lb E-Marco 400 Mortar Kit - Coraline

    Marco Rocks

    MarcoRocks 5Lb E-Marco 400 Mortar Kit - Coraline

    MarcoRocks 5Lb E-Marco 400 Mortar Kit - Coraline Aquascape like the pros with our MarcoRocks E-Marco-400 aquascaping cement (mortar complete kit). Kit contains everything you need to permanently bond rock into amazing aquascapes. Mortar...

    Was: $42.99
    Now: $36.54
  • MarcoRocks 5Lb E-Marco 400 Mortar Kit - Natural

    Marco Rocks

    MarcoRocks 5Lb E-Marco 400 Mortar Kit - Natural

    MarcoRocks 5Lb E-Marco 400 Mortar Kit - Natural Aquascape like the pros with our MarcoRocks E-Marco-400 aquascaping cement (mortar complete kit). Kit contains everything you need to permanently bond rock into amazing aquascapes. Mortar Powder Liquid...

    Was: $42.99
    Now: $36.54
  • Marco Rock Pedestal Rock - Frag Top

    Marco Rocks

    Marco Rock Pedestal Rock - Frag Top

    Marco Rock Pedestal Rock - Frag Top MarcoRocks Reef Saver Pedestal Dry Live Rock is the perfect start or addition to any reef tank. The natural top pedestal gives you ample space for coral frags, but also provides some shaded areas for corals...

    Was: $42.00
    Now: $35.70
  • Marco Rock Pedestal Rock - Natural Top

    Marco Rocks

    Marco Rock Pedestal Rock - Natural Top

    Marco Rock Pedestal Rock - Natural Top  MarcoRocks Reef Saver Pedestal Dry Live Rock is the perfect start or addition to any reef tank. The natural top pedestal gives you ample space for coral frags, but also provides some shaded areas for...

    Was: $42.00
    Now: $35.70
  • Brightwell Aquatics MicroBacter Dry Rock Bacteria Starter Kit Brightwell Aquatics MicroBacter Dry Rock Bacteria Starter Kit

    Brightwell Aquatics

    Brightwell Aquatics MicroBacter Dry Rock Bacteria Starter Kit

    Brightwell Aquatics MicroBacter Dry Rock Bacteria Starter Kit This kit is designed to be used with unseeded dry rock such as Marco Rock or artificial live rock replacements. Plain dry sand is recommended instead of so called 'live sand' which may have...

    Was: $41.95
    Now: $35.66
  • Marco Rocks Frag Mounts - Coralline - 9 lbs Bag

    Marco Rocks

    Marco Rocks Frag Mounts - Coralline - 9 lbs Bag

    Marco Rocks Frag Mounts - Coralline - 9 lbs Bag A mix of Small Shelf, Reef Saver, and Foundation Rock. Pile up to create a home for small fish and inverts or use as frag chunks for the perfect natural looking surface to mount new frags too. They also...

    Was: $38.99
    Now: $33.14
  • Caribsea Samurai Soil 9 lbs. Caribsea Samurai Soil 9 lbs.

    CaribSea

    Caribsea Samurai Soil 9 lbs.

    Caribsea Samurai Soil 9 lbs. The ideal substrate for shrimp and planted aquaria This unique, uniformly graded material fits the pH and mineral requirements of the most sensitive freshwater fauna and flora, without the muddy texture and crumbling...

    $29.95
  • Brightwell Aquatics KoraLagoon Substrate, 1.4 kg. / 3.1 lb.

    Brightwell Aquatics

    Brightwell Aquatics KoraLagoon Substrate, 1.4 kg. / 3.1 lb.

    Brightwell Aquatics KoraLagoonSubstrat Aragonite RefugiumSubstrateA blend of high-purity aragonite particulate grades to simulate the natural substrate particle profile of tropical reef lagoonsBrightwell Aquatics KoraLagoon Substrate, 1.4 kg. / 3.1 lb. A...

    $26.95
  • Marco Rocks Frag Mounts - Natural - 9 lbs Bag

    Marco Rocks

    Marco Rocks Frag Mounts - Natural - 9 lbs Bag

    Marco Rocks Frag Mounts - Natural - 9 lbs Bag A mix of Small Shelf, Reef Saver, and Foundation Rock. Pile up to create a home for small fish and inverts or use as frag chunks for the perfect natural looking surface to mount new frags too. They also work...

    Was: $29.99
    Now: $25.49
  • ZooMed Talawa Mangrove Root, Medium (up to 16") ZooMed Talawa Mangrove Root, Medium (up to 16")

    ZooMed

    ZooMed Talawa Mangrove Root, Medium (up to 16")

    ZooMed Talawa Mangrove Root, Medium (up to 16") Perfect for creating dramatic underwater landscapes. Excellent in Paludariums and planted aquariums. Create a distinctive ‘sunken forest’ look. Low in tannins, does not significantly discolor aquarium...

    $24.99
  • CaribSea LifeRock Frag Garden 5 Hole

    CaribSea

    CaribSea LifeRock Frag Garden 5 Hole

    CaribSea LifeRock Frag Garden 5 Hole Approximately 7″ x 10″Shipping Notes: This rock is fragile and can incur damage during shipping. We are not able to insure rocks therefor we can not replace nor refund broken pieces. Most broken...

    Was: $27.84
    Now: $23.66
  • Red Sea KH Coralline Gro, 500 ml Red Sea KH Coralline Gro, 500 ml

    Red Sea

    Red Sea KH Coralline Gro, 500 ml

    Red Sea KH Coralline Gro, 500 ml Coralline algae will grow naturally, without any special supplements in all reef systems optimized for hard corals.  KH Coralline Gro is a complex of carbonate buffers, potassium and trace elements such as iron,...

    $22.00
  • Fluval Bio Stratum 4.4 lbs. Fluval Bio Stratum 4.4 lbs.

    Fluval

    Fluval Bio Stratum 4.4 lbs.

    Fluval Bio Stratum 4.4 lbs. Promotes healthy plant development, growth and vibrant color. Infused with nitrifying bacteria that help to break down waste and kickstart the nitrogen cycle. Helps to reduce ammonia levels and stabilize water in new...

    $19.99
  • Fluval Plant and Shrimp Stratum 4.4 lb.

    Fluval

    Fluval Plant and Shrimp Stratum 4.4 lb.

    Fluval Plant and Shrimp Stratum 4.4 lb. Collected from the mineral rich foothills of the famous Mount Aso Volcano in Japan, Fluval Stratum is the ideal substrate for stimulating the growth of aquatic plants in freshwater aquariums. Plant roots...

    $19.99
  • Malaysian Driftwood, Medium 11" - 15" Malaysian Driftwood, Medium 11" - 15"

    AquaCave

    Malaysian Driftwood, Medium 11" - 15"

    Malaysian Driftwood, Medium 11" - 15" A preferred driftwood for show tanks and garden aquariums. Each piece is completely unique in shape. Unlike other driftwood, it sinks when placed in water and requires no slate bottom. Picture is only represantation...

    $19.99
  • MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium

    EcoSystem Aquarium

    MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium

    MIRACLE MUD Freshwater, 2 lbs. by EcoSystem Aquarium Miracle Mud is a product of EcoSystem Aquarium® that has been carefully formulated to include all the essential trace elements, minerals, and components necessary to maintain a successful aquarium...

    $19.95
  • Zoo Med African Mopani Wood Medium 10" - 12"

    ZooMed

    Zoo Med African Mopani Wood Medium 10" - 12"

    Zoo Med African Mopani Wood Medium 10" - 12" A beautiful two color African hardwood for aquariums or terrariums. Smooth surface, textured detail, and unique mottled color adds interest and enrichment to habitats. Use with plants to create the...

    $19.95
  • ZooMed AquaLog Sinking Fish Shelter 9" Large ZooMed AquaLog Sinking Fish Shelter 9" Large

    ZooMed

    ZooMed AquaLog Sinking Fish Shelter 9" Large

    ZooMed AquaLog Sinking Fish Shelter 9" Large Sinking AquaLog provides shelter for all aquarium fish. Manufactured with 100% eco-friendly plant resin. Provides excellent surface for beneficial algae growth. Naturalistic looking!  ZooMed...

    $19.95
  • ZooMed Spider Wood MED 12"-16"

    ZooMed Spider Wood MED 12"-16"

    ZooMed Spider Wood MED 12"-16" Perfect for Aquariums and Terrariums Spider-like limbs, great for climbing lizards and snake Excellent for Paludariums and planted tank set-ups. Very low in tannins, will not discolor aquarium...

    $19.95
  • CaribSea LifeRock Frag Garden 3 Hole

    CaribSea

    CaribSea LifeRock Frag Garden 3 Hole

    CaribSea LifeRock Frag Garden 3 Hole Approximately 6″ x 7″Shipping Notes: This rock is fragile and can incur damage during shipping. We are not able to insure rocks therefor we can not replace nor refund broken pieces. Most broken pieces...

    Was: $19.24
    Now: $16.35
  • Marco Rocks MR Power 3 lbs - Coralline

    Marco Rocks

    Marco Rocks MR Power 3 lbs - Coralline

    Marco Rocks MR Power 3 lbs - Coralline Use to dress glue joints when bonding MarcoRocks products for a seamless look. Can be dusted on or presed into the surface of any epoxy product while still wet for a more natural color and texture. For amazing...

    Was: $18.99
    Now: $16.14
  • Caribsea Samurai Soil 3.5 lbs. Caribsea Samurai Soil 3.5 lbs.

    CaribSea

    Caribsea Samurai Soil 3.5 lbs.

    Caribsea Samurai Soil 3.5 lbs. The ideal substrate for shrimp and planted aquaria This unique, uniformly graded material fits the pH and mineral requirements of the most sensitive freshwater fauna and flora, without the muddy texture and crumbling...

    $14.95
  • ZooMed AquaLog Sinking Fish Shelter 5-3/4" Medium ZooMed AquaLog Sinking Fish Shelter 5-3/4" Medium ZooMed AquaLog Sinking Fish Shelter 5-3/4" Medium

    ZooMed

    ZooMed AquaLog Sinking Fish Shelter 5-3/4" Medium

    ZooMed AquaLog Sinking Fish Shelter 5-3/4" MediumSinking AquaLog provides shelter for all aquarium fish.Manufactured with 100% eco-friendly plant resin.Provides excellent surface for beneficial algae growth.Naturalistic looking! ZooMed AquaLog...

    $14.95
  • MarcoRocks MR Powder 3 lbs.

    Marco Rocks

    MarcoRocks MR Powder 3 lbs.

    MarcoRocks MR Powder 3 lbs. MR Powder, 3 lb jars, 12 per case. Add to glue joints when bonding Marco Rocks products, for a seamless look. Made from crushed Marco Rocks. MR Powder packaging: 3 lb jars

    Was: $15.99
    Now: $13.59
  • Malaysian Driftwood, Small 7" - 9" Malaysian Driftwood, Small 7" - 9" Malaysian Driftwood, Small 7" - 9"

    AquaCave

    Malaysian Driftwood, Small 7" - 9"

    Malaysian Driftwood, Small 7" - 9" A preferred driftwood for show tanks and garden aquariums. Each piece is completely unique in shape. Unlike other driftwood, it sinks when placed in water and requires no slate bottom. Picture is only represantation of...

    $12.99
  • CaribSea Create-A Scape Purple Reef Rod 21" CaribSea Create-A Scape Purple Reef Rod 21"

    CaribSea

    CaribSea Create-A Scape Purple Reef Rod 21"

    CaribSea Create-A Scape Purple Reef Rod 21" LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has...

    Was: $13.99
    Now: $11.89
  • CaribSea Create-A Scape Purple Reef Rod 14" CaribSea Create-A Scape Purple Reef Rod 14"

    CaribSea

    CaribSea Create-A Scape Purple Reef Rod 14"

    CaribSea Create-A Scape Purple Reef Rod 14" LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has...

    Was: $11.99
    Now: $10.19
  • CaribSea Create-A Scape Purple Reef Rod 7"

    CaribSea

    CaribSea Create-A Scape Purple Reef Rod 7"

    CaribSea Create-A Scape Purple Reef Rod 7" LifeRock™ begins as a sunlit piece of Pleistocene era seafloor thriving with living creatures. Over the next 100 millennia and the retreat of the ocean, this ancient piece of seafloor, now well inland, has...

    Was: $9.99
    Now: $8.49
  • Aquarium Background Adhesive Solution, 1 oz.

    Fluval

    Aquarium Background Adhesive Solution, 1 oz.

    No more tape! Revolutionary image enhancing solution that seals your background to your aquarium glass, resulting in a flawless, illuminated view from every angle. Non-toxic formula is easy to apply and remove. For use in aquariums, terrariums, and...

    $7.99
  • Seaview Aquarium Background Mounting Solution Seaview Aquarium Background Mounting Solution

    AquaCave

    Seaview Aquarium Background Mounting Solution

    Seaview Aquarium Background Mounting Solution Seaview seals your background to your aquarium, eliminating the refraction of light behind the glass resulting in a flawless, illuminated, 3D view of your background from every angle. Your aquarium will have...

    $7.99
  • 18" High Marine Reef / Corals Aquarium Background

    Fluval

    18" High Marine Reef / Corals Aquarium Background

    18" High Marine Reef / Corals Aquarium Background- Double Sided- Freshwater- Japanese Aquascape/Freshwater SceneryWaterproof plastic 18" High Marine Reef / Corals Aquarium BackgroundSold per linear foot. If you need one continuous piece 6ft. long,...

    $3.45