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New @ MD: NYOS High Level Reefing Simple, user-friendly and nature inspired solutions for reef aquariums. Check out the Quantum protein skimmers, Viper water pumps and more! https://www.youtube.com/watch?v=nMhl5e9zPbw We just kicked off a new giveaway today! There is no purchase necessary...

Get 15% off the most expensive item in your order! Use coupon BIGDEAL by midnight Sunday to redeem this special limited-time offer! Please leave us a comment to let us know what you bought!

An easy, affordable way to maintain calcium & alkalinity! Maintain calcium concentrations at natural seawater levels in your reef tank using kalkwasser https://www.youtube.com/watch?v=NYxrlv0r8hs https://www.youtube.com/watch?v=TPzP4pKv7tM

VIDEO: How to Use a Kalkwasser Reactor If you are looking for an effective way to automate calcium and alkalinity supplementation for your reef aquarium, we are happy to help you get the products you need for a smooth installation. Watch today's video to learn more...

VIDEO: Trigger Systems Sumps Trigger Systems sumps are a great value and we are super excited to now offer them in our store. All models ship FREE and we even have cool cube sumps available for nano reefers. Watch today's video to learn more! https://www.youtube.com/watch?v=g7s2rdH3yo8

Turn your tank around—it's not too late! Gear to help you restore a neglected tank PLUS Turn heads this summer with our new reefing T-shirt! https://www.youtube.com/watch?v=h3FdRPlBT7A

VIDEO: Restore a Neglected Tank If your aquarium maintenance schedule has been derailed by summer fun, watch this video for step-by-step instructions on how to get things back on track. https://www.youtube.com/watch?v=h3FdRPlBT7A

Eliminate dead spots. Make waves. Watch corals dance! Enjoy 10% off pumps, powerheads and wavemakers at Marine Depot until midnight Sunday coupon code: CURRENT

Video: Zoa and Paly Care, Paly Toxin and Fragging Have you ever walked into a fish store and asked for a Blue Rhino? How about a Latin Lover? PS - Our AMAZING 4th of July sale ends TONIGHT @ midnight! https://www.youtube.com/watch?v=iDVa6_wtUmk

The temperature is rising. Water quality is declining. Welcome to summer. But not your tank. Not this summer. For this is the year of the BIG SUMMER UPGRADE. We’ve teamed with Lifegard Aquatics to take one lucky hobbyist's aquarium to the next level! For your tank: a cool running 36”...

Save 10% off all these brands for the 4th of July with coupon FREEDOM* Maxspect, Reef Octopus, Tunze, AquaMaxx, JBJ, AutoAqua, ELOS, Continuum Aquatics, Brightwell Aquatics, Ice Cap, Flipper, Coral Rx and ATI Bulbs Go Fourth and Save! *Excludes out of stock and drop ship merchandise

We are having a brand blowout for the 4th of July—500+ products are on sale (so far)! You can save 10% on all the following brands starting now with coupon code FREEDOM* Maxspect > Reef Octopus > Tunze > AquaMaxx > JBJ > AutoAqua > ELOS > Continuum Aquatics >...

Tour our 70 gallon office reef tank! Here is an update on the CAD Lights Artisan reef aquarium we started up here in our office lunch room about 8 months ago. https://www.youtube.com/watch?v=kut8xZdkORI

FINAL HOURS! Ends tonight at midnight! LAST CHANCE! Ends tonight at midnight!

Create the Greatest Scape! Take 10% off all CaribSea sand and 10% off AquaMaxx Eco-Rock this week so you can build the aquascape of your dreams! PLUS enjoy 20% off all Lifegard LED lights — with a new giveaway coming soon! Did you enjoy Reef-A-Palooza NY? {DISCUSSION TOPIC}...

Thank you so much for your kind words—they are great motivation! Next we'll be highlighting one of our office tanks!

Sand: Deep or shallow? Coarse or fine? Find out! Sand: Deep or shallow? Coarse or fine? Find out! Today we are going to answer some of the most frequently asked questions about choosing sand for a saltwater aquarium. https://www.youtube.com/watch?v=nxt1fQv0y1M

CUSTOMER SERVICE REPRESENTATIVE JOB DESCRIPTION We are looking for customer service representatives to join our support team in MarineDepot.com’s Garden Grove, CA headquarters. You will be the frontline of our company and engage with customers on a daily basis via phone, email and live chat...

☼ 5 Day Lighting Sale ☼ Use coupon GROWSPS by midnight Sunday to score 10% off T5 and Metal Halide lights, bulbs and ballasts!

Hi Horseply, The BLDC pumps have been getting great feedback from our customers. They are energy efficient and very well built. They can indeed be used for pressure applications, but do keep in mind that each elbow adds 1 foot of head pressure and a reduction from the 1 1/4" outlet size will...