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Aquarium Supplies
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  • 15% Off Dolphin Products Spring Cleaning
  • Bubble Magus Dosing Package Bubble Magus Dosing Package
  • CPR Smart Feeder CPR Smart Feeder
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Deal of the Day! PURA PhosLock GFO Phosphate Removal Media - 1135 gram
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$69.99
On Sale
$48.99

Saltwater Aquarium Supplies and Accessories

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Top Selling Aquarium Supply Brands Innovative Marine EcoTech Marine JBJ AquaticLife Red Sea Tunze Eheim Neptune Systems Ecoxotic Hydor Aquarium Pharmaceuticals API Two Little Fishies Digital Aquatics Kent Marine AquaMaxx SeaChem Coralife Kessil
Why Shop at MarineDepot.com?

Welcome to MarineDepot.com, the world's #1 provider of fish aquarium supplies! We carry over 7,000 popular and hard-to-find saltwater aquarium fish supplies and freshwater aquarium supplies from top brands like Red Sea, JBJ, Hydor and EcoTech Marine. We are located in Garden Grove, CA and have shipped more than one million orders to over a half-million aquarium lovers since 1997.

Browse our online store and take advantage of our powerful site search to find the latest and greatest aquarium technology on the planet. We carry energy-efficient LED aquarium lighting and all sorts of aquarium filters, from a refugium to grow copepods and chaetomorpha to just about every type of protein skimmer on the market. We specialize in the sale of reef aquarium and saltwater aquarium supplies, so if you are shopping for saltwater fish food or T5 lighting to grow your coral to new heights, you've come to the right place.

There are plenty of reasons why you should shop at Marine Depot for your fish aquarium supplies online. All of our fish tank supplies are backed by a 60-day return policy. We also offer a Low Price Guarantee on all in-stock merchandise. If you find a lower price from another online store, we will match the price and refund 10% of the difference! We have incredibly fast shipping—so fast, in fact, that 99% of orders placed before 6PM EST ship the same day. And, orders over $175 ship for free! We offer new Marine Depot coupon codes every month and offer deep discounts on saltwater fish supplies and planted aquarium supplies to our email newsletter subscribers.

Our customer support staff, The Reef Squad, are aquarium experts who can offer you free technical support or sales advice via telephone, email and Live Chat. They can share what the most popular fish tank supplies are for your reef tank and help guide you, step-by-step, through the installation of new equipment. We love what we do and are more than happy to share our knowledge with you. We firmly believe our company is the most reputable dealer of discount aquarium supplies on the web. Our aquarium store has an A+ rating with the Better Business Bureau, the Customer Certified designation on BizRate and we are an Elite Member of ResellerRatings. Customer satisfaction is our #1 priority! We invite you to experience the MarineDepot.com difference today.

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Testimonials
March 15, 2014
"Price was good and everything arrived packed well and on promised schedule."
thomasstephen

March 13, 2014
"I received my lights with one broken. I called the 800 # and they shipped me a new light that day, no questions asked. Great service."
jason-47785

March 9, 2014
"When looking for things that need exact measurements, like plumbing, Marine Depot makes it very easy with detailed graphics and explanations. Videos are a very nice touch and have helped me a lot on my reef upgrade."
pipicaicedo

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