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Moving Sale! Up to 60% off. FINAL DAYS, Limited Stock.
Moving Sale! Up to 60% off. FINAL DAYS, Limited Stock.

Reef & Marine Substrates

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Aqua Natural Bahamas Oolitic Aragonite Fine (0.05-1mm)

Original price $36.95 - Original price $59.95
Original price $36.95 - Original price $59.95
Original price $36.95
$31.95 - $55.95
$31.95 - $55.95
Current price $31.95
6 in stock.

Calcium carbonate derived from oolitic aragonite is biogenic (created by living organisms) and naturally re-occurring. Protect the reef by using th...

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Original price $36.95 - Original price $59.95
Original price $36.95 - Original price $59.95
Original price $36.95
$31.95 - $55.95
$31.95 - $55.95
Current price $31.95
Save up to 14% Save %

Aqua Natural South Seas Base Rock Stacks

Original price $54.00 - Original price $95.00
Original price
$54.00 - $95.00
$54.00 - $95.00
Current price $54.00

South Seas Base Rock is fossilized Oolitic Aragonite and harvested by our USA partners under lease with Zero marine life impact. The perfect base r...

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Original price $54.00 - Original price $95.00
Original price
$54.00 - $95.00
$54.00 - $95.00
Current price $54.00

Aqua Natural South Seas Base Rock Minis 1kg

Original price $14.95
Original price $14.95 - Original price $14.95
Original price $14.95
Current price $11.96
$11.96 - $11.96
Current price $11.96
1 in stock.

South Seas Base Rock is fossilized Oolitic Aragonite and harvested by our USA partners under lease with Zero marine life impact. The perfect base r...

View full details
Original price $14.95
Original price $14.95 - Original price $14.95
Original price $14.95
Current price $11.96
$11.96 - $11.96
Current price $11.96
Save 20% Save %

Aqua Natural Marine Accents Ocean 20-50mm 300ml

Original price $9.50
Original price $9.50 - Original price $9.50
Original price $9.50
Current price $7.60
$7.60 - $7.60
Current price $7.60
Out of stock

Add these 20-50mm Marine Accents to any saltwater or Cichlid aquarium for spectacular effect. Each piece of fossilised aragonite and shell is a one...

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Original price $9.50
Original price $9.50 - Original price $9.50
Original price $9.50
Current price $7.60
$7.60 - $7.60
Current price $7.60
Sold out

Aqua Natural Marine Accents Lagoon 2-8mm 300ml

Original price $9.50
Original price $9.50 - Original price $9.50
Original price $9.50
Current price $7.60
$7.60 - $7.60
Current price $7.60
2 in stock.

Add these 2-8mm Marine Accents to any saltwater or Cichlid aquarium. A blend of coarse and fossilised aragonite along with shells makes this an ide...

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Original price $9.50
Original price $9.50 - Original price $9.50
Original price $9.50
Current price $7.60
$7.60 - $7.60
Current price $7.60
Save 20% Save %

Seachem Pearl Beach Aragonite

Original price $39.95 - Original price $69.95
Original price $39.95 - Original price $69.95
Original price $39.95
$31.96 - $55.96
$31.96 - $55.96
Current price $31.96
1 in stock.

Pearl Beach™ is an all natural aragonite substrate for all types of marine, reef and tropical aquaria. Its chemical composition will assist in stab...

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Original price $39.95 - Original price $69.95
Original price $39.95 - Original price $69.95
Original price $39.95
$31.96 - $55.96
$31.96 - $55.96
Current price $31.96
Save up to 20% Save %

Seachem Gray Coast Calcite

Original price $34.95 - Original price $64.95
Original price $34.95 - Original price $64.95
Original price $34.95
$27.96 - $51.96
$27.96 - $51.96
Current price $27.96
Out of stock

Gray Coast™ Calcite is an all natural calcite substrate for all types of marine, reef and tropical aquaria. Its chemical composition will assist in...

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Original price $34.95 - Original price $64.95
Original price $34.95 - Original price $64.95
Original price $34.95
$27.96 - $51.96
$27.96 - $51.96
Current price $27.96
Sold out

Aqua Natural Bahamas Coarse Aragonite (1-2mm)

Original price $36.95 - Original price $59.95
Original price $36.95 - Original price $59.95
Original price $36.95
$31.95 - $55.95
$31.95 - $55.95
Current price $31.95
12 in stock.

Calcium carbonate derived from aragonite is biogenic (created by living organisms) and naturally re-occurring. Protect the reef by using this super...

View full details
Original price $36.95 - Original price $59.95
Original price $36.95 - Original price $59.95
Original price $36.95
$31.95 - $55.95
$31.95 - $55.95
Current price $31.95
Save up to 14% Save %

Aqua Medic Bali Sand

Original price $49.95 - Original price $89.95
Original price $49.95 - Original price $89.95
Original price $49.95
$39.96 - $71.96
$39.96 - $71.96
Current price $39.96
1 in stock.

Bali Sand is a very pure limestone that consists of about 98% of calcium carbonate, as well as some zeolite-like minerals. Because of its texture a...

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Original price $49.95 - Original price $89.95
Original price $49.95 - Original price $89.95
Original price $49.95
$39.96 - $71.96
$39.96 - $71.96
Current price $39.96
Save up to 20% Save %

Seachem Reef Reactor

Original price $54.95 - Original price $89.95
Original price $54.95 - Original price $89.95
Original price $54.95
$43.96 - $71.96
$43.96 - $71.96
Current price $43.96
1 in stock.

Reef Reactor™ is a high-purity source of aragonite, which supplies all important elements for optimal ionic balance and robust coral growth and col...

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Original price $54.95 - Original price $89.95
Original price $54.95 - Original price $89.95
Original price $54.95
$43.96 - $71.96
$43.96 - $71.96
Current price $43.96
Save up to 20% Save %

Seachem Meridian Oolitic Aragonite

Original price $39.95 - Original price $72.95
Original price $39.95 - Original price $72.95
Original price $39.95
$31.96 - $58.36
$31.96 - $58.36
Current price $31.96
3 in stock.

Meridian™is an all natural oolitic (spherical or egg shaped) aragonite substrate for all reef and marine aquaria. Meridian™ is the premium aragonit...

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Original price $39.95 - Original price $72.95
Original price $39.95 - Original price $72.95
Original price $39.95
$31.96 - $58.36
$31.96 - $58.36
Current price $31.96
Save up to 20% Save %

Aqua Natural Reef Base Rock Life Purple 10kg

Original price $139.00 - Original price $139.00
Original price
$139.00
$139.00 - $139.00
Current price $139.00

Life Rock started their life millions of years ago on a seafloor thriving with marine life. With the retreat of the oceans, this ancient piece of a...

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Original price $139.00 - Original price $139.00
Original price
$139.00
$139.00 - $139.00
Current price $139.00

Aqua Medic Tonga Pearls

Original price $59.95 - Original price $89.95
Original price $59.95 - Original price $89.95
Original price $59.95
$47.96 - $71.96
$47.96 - $71.96
Current price $47.96
2 in stock.

Tonga Pearls are a completely new and thus a unique limestone material. The micro/mini pearls are produced under strict quality controlled conditio...

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Original price $59.95 - Original price $89.95
Original price $59.95 - Original price $89.95
Original price $59.95
$47.96 - $71.96
$47.96 - $71.96
Current price $47.96
Save up to 20% Save %

Aqua Natural Reef Base Rock Life Blue 10kg

Original price $145.00
Original price $145.00 - Original price $145.00
Original price $145.00
Current price $116.00
$116.00 - $116.00
Current price $116.00
Out of stock

Life Rock started their life millions of years ago on a seafloor thriving with marine life. With the retreat of the oceans, this ancient piece of a...

View full details
Original price $145.00
Original price $145.00 - Original price $145.00
Original price $145.00
Current price $116.00
$116.00 - $116.00
Current price $116.00
Sold out

Aqua Natural Reef Base Rock Life Pink 10kg

Original price $139.00 - Original price $139.00
Original price
$139.00
$139.00 - $139.00
Current price $139.00

Life Rock started their life millions of years ago on a seafloor thriving with marine life. With the retreat of the oceans, this ancient piece of a...

View full details
Original price $139.00 - Original price $139.00
Original price
$139.00
$139.00 - $139.00
Current price $139.00

Aqua Natural Reef Base Rock Life Green 10kg

Original price $145.00
Original price $145.00 - Original price $145.00
Original price $145.00
Current price $116.00
$116.00 - $116.00
Current price $116.00
1 in stock.

Life Rock started their life millions of years ago on a seafloor thriving with marine life. With the retreat of the oceans, this ancient piece of a...

View full details
Original price $145.00
Original price $145.00 - Original price $145.00
Original price $145.00
Current price $116.00
$116.00 - $116.00
Current price $116.00
Save 20% Save %

Aqua Natural South Seas Base Rock Mixed Pack 10kg

Original price $99.00
Original price $99.00 - Original price $99.00
Original price $99.00
Current price $79.20
$79.20 - $79.20
Current price $79.20
6 in stock.

South Seas Base Rock is fossilized Oolitic Aragonite and harvested by our USA partners under lease with Zero marine life impact. The perfect base r...

View full details
Original price $99.00
Original price $99.00 - Original price $99.00
Original price $99.00
Current price $79.20
$79.20 - $79.20
Current price $79.20
Save 20% Save %