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Mr. Aqua 48 Gallon Frameless Glass Aquarium Tank 35.4 x 17.7 x 17.7 Inch

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CaribSea A.R.M. Aragonite Reactor Media

A complete reactor media containing not only calcium and carbonate, but essential trace elements as well. In fact A.R.M. has nearly 50 times the strontium of other brands (7,390 ppm) A.R.M. is processed for immediate use, no rinsi...

Avg. Customer Review (18) reviews

Calcium Reactors: See all items

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arm | reactor media | aragonite | arm media

Price Range:
$14.99 to $129.99

CaribSea Dry Aragonite Special Grade Reef Sand

1.25–1.95 mm diameter grain size. A revolution in reef-keeping! This is the one you’ve been reading about in all the hobbyist publications. This grade of aragonite is specifically engineered for plenum-type nitrate reducing beds o...

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sand | aragonite sand | aragonite | reef sand

Price Range:
$13.99 to $27.99

CaribSea Tropic Isle Tahitian Moon Sand 20 lb

Accent the vibrant hues of tropical fish with this ebony Tropic Isle Sand. Can be used in fresh or saltwater tanks. Will not affect pH. Extra Fine Grade.

Avg. Customer Review (12) reviews

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sand | black sand | live sand | moon sand

Our Price: $13.99

Item Code: CS0821

CaribSea Dry Aragonite Fiji Pink Reef Sand 15 lb

Fiji Pink Reef Sand: 0.5-1.5 mm diameter grain size. A gently hued aragonite, CaribSea Seaflor Pink Fiji Reef Sand is ideal for plenum systems, nitrate reduction systems and most fish and reef tanks. Helps achieve the pH of n...

Avg. Customer Review (7) reviews

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sand | fiji pink | fiji pink sand | fiji

Our Price: $14.99

Item Code: CS0022

CaribSea Florida Crushed Coral, Geo-Marine Formula

Geo-Marine: Florida Crushed Coral It’s the only crushed coral with aragonite, which provides up to 25 times the buffering power of other crushed corals, dolomite or oyster shell. Eliminate chronic pH problems and provide maximum s...

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crushed coral | coral | sand | crush coral

Price Range:
$8.39 to $20.99

CaribSea Dry Aragonite Super Reef Sand

Seaflor Super Reef Sand 1.2-4.0mm diameter grain. This mixed grade (of Seaflor Special Grade and small shells) is also ideal for nitrate reducing systems or simply as reef tank bottom cover. The addition of small shells ...

Avg. Customer Review (5) reviews

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sand | reef sand | seaflor | aragonite

Price Range:
$14.69 to $27.99

CaribSea AragaMIGHT Calcium Supplement

This revolutionary new product puts the power of aragonite in a fast dissolving easy to use powder. Pure aragonite, ground to 10 microns for maximum surface area, provides flash remineralization of purified water, with no two part...

Avg. Customer Review (2) reviews

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aragamight | calcium supplement | calcium | aragamight calcium

Our Price: $11.99

Item Code: CS0520

CaribSea Dry Aragonite Flamingo Reef Sand 15 lb

Flamingo Reef Sand: 1-2 mm diameter grain size. Coralline pink highlights make this substrate colourful as well as functional. Flamingo Reef gives maximum performance in plenum-type nitrate reducing beds, or simply a reef or fish ...

Avg. Customer Review (1) reviews

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sand | live sand | flamingo reef sand | aragonite sand

Our Price: $13.99

Item Code: CS0021

CaribSea Coralite Bermuda Pink Sand 15 lb

Coralite Bermuda Pink Reef Sand: 2-4 mm diameter grain size. A more colourful aragonite substrate. This product is highlighted with coralline pink grains to enhance its natural beauty. This grade of aragonite is suitable for plenu...

Avg. Customer Review (4) reviews

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sand | bermuda | coralite | mud

Our Price: $13.99

Item Code: CS0901

Caribsea Ocean Direct Live Sand Original

All New Ocean Direct™ Live Sand Simply Natural – Enjoy this real Caribbean live sand in a breathable bag with no added chemicals or special processing. Simply Effective – Ocean Direct™ is different than all other live sand prod...

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live sand | sand | live rock | ocean direct

Price Range:
$9.49 to $45.99

Caribsea Ocean Direct Live Sand Oolite

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live sand | sand | live rock | reef sand

Price Range:
$9.49 to $43.99

Caribsea AragaMilk Liquid Aragonite Calcium Supplement

AragaMILK™ Ideal for African cichlids, livebearers, and marine aquariums of all types! The perfect alkalinity booster because...aragaMILK™ has a full pound of buffer in every 16 fluid ounce bottle. This buffer comes in two form...

Avg. Customer Review (6) reviews

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aragamilk | calcium supplement | calcium | araga milk

Price Range:
$11.99 to $139.49

CaribSea Purple Up Coralline Algae Accelerator

Purple-Up™ Purple-Up™ is a new pink and purple coralline algae accelerator. Since Purple-Up™ is not a fertilizer, it does not promote the growth of nuisance algae. How does it work? Purple-Up™ uses a unique dual method approach...

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purple up | purple | coralline algae | coralline

Price Range:
$11.24 to $137.99

Caribsea Bio Magnet Clarifier 8oz

Cloudy aquarium water is caused by fine suspended particles such as algae, silt, and bacteria. These particles usually carry a negative charge as does most filter media. The filter media, therefore, repels these particles, and wat...

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bio magnet | clarifier | bio | 9w uv pond clarifier

Our Price: $6.49

Item Code: CS08524

Caribsea BufferPlus 16 oz

Caribsea BufferPlus Buffer Plus™ Still using the same old buffers? CaribSea`s Buffer Plus™ is the easy way to buffer and re-mineralize marine and reef aquariums. With both bicarbonate and time release aragonite buffer, Buffer P...

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Additives & Supplements: See all items

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bufferplus | buffer | carib sea | ph buffer

Our Price: $10.99

Item Code: CS0522

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Testimonials

March 06, 2010
"Marine Depot is AWESOME. I purchased my item and it was at my home in two days using normal UPS shipping!!! Thank you for your great customer service."
Michael

March 05, 2010
"Delivery time is unsurpassed. If you need it fast, there is no place faster than Marine Depot for standard shipping. They also have almost anything I could need for a reef tank."
Grey Seaslug

March 01, 2010
"They have so many great products and it’s a very easy website to navigate! From all-in-one to do-it-yourself, there is something for everyone! Awesome summaries at the top of every major heading! This company does a great job and the website is great!"
David Peron