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Exclusive BLACK FRIDAY Bundles You Won't Find Anywhere Else! Buy together and save! Add to cart to unlock the savings!

Black Friday: Stars of the Sale + Fast Movers! Happy Sunday! Get these deals before they're gone!

Robert's Top Picks for the Holidays We have many exclusive Black Friday deals and doorbusters you won't find anywhere else - we've pasted some of our favorites below (keep scrolling...) Black Friday Doorbusters Add items to cart to unlock discounts! Ultimate ATO + HydroFill Ti ATO...

Black Friday Savings without the Big Crowds! Working Today? It's Time for a Shopping Break! :p

Today is the Greatest Sale on Earth! Black Friday is O-fish-ally Here - ALMOST EVERYTHING IS ON SALE!

OH MY! 10% off Radion XR15w | 10% off VorTech MP40wQD EcoTech Marine deals were just unlocked for Black Friday!

Happy Tanksgiving! Black Friday: MORE Deals, MORE doorbusters, + AquaMaxx Stock Replenishment!

FINALLY: 10% off Neptune Systems + an A-MAZ-ING Somatic/Vertex Doorbuster! Good evening, Black Friday shoppers!

Black Friday: Your New Aquarium Is Waiting... Get a FREE GIFT with ANY Red Sea Aquarium Purchase!

New BF Doorbusters Added + Bula Buddies Giveaway! Just Added: Neptune Systems, Red Sea, MarinePure, and MORE Brightwell Doorbusters

THE BEST YET: 10% off Reef Octopus, 10% off Klir Filters, 10% off Maxspect, 15% off Seneye, and MORE! PLUS: Black Friday Doorbusters from Brightwell Aquatics - Get FREE Stuff!

Black Friday: Hanna Checker Doorbusters Just Added! It's Sunday Funday! More Black Friday Doorbusters Just Unlocked!

Saturday Doorbusters + GHL 10% Off! Black Friday Super Sale - WEEKEND EDITION

Black Friday Doorbusters: On your mark, get set, go! The best deals of the year start now in our Black Friday Super Sale!

Veterans Day Sale: 11% off Sitewide It's been fun—but our Veterans Day Sale is almost done! PLUS: Register for our live Q&A with Dr. Tim on Wednesday 11/14

How to Acclimate Clean Up Crew Invertebrates Here's how to safely introduce the critters who'll keep your tank clean! PLUS: Sign up to get early access to our Black Friday deals >

Multiple Ways to Control Nutrients by Dr. Tim Hovanec Watch & Learn from Dr. Tim's presentation at Reef-A-Palooza 2018! PLUS: Register for our live Q&A with Dr. Tim on November 14 »

Jeremy Howell is the Director of Sales for North America for Brightwell Aquatics (and sister company Continuum Aquatics). He is a long-time friend of Marine Depot who possesses 30+ years of aquarium hobby know-how and industry knowledge. Join us for a live conversation with Jeremy as we...

Why chasing colors is better than chasing numbers Join us Friday for a live Q&A with Jeremy Howell of Brightwell Aquatics! HAPPY HALLOWEEN!

Tank or Treat You pick: save $5 or $10! PLUS: New Coral Essentials, Ocean Cleanup Interview, Hybrid Light Giveaway, A360X Pre-Order, and a Rod's Food Hack!

Buying a Red Sea Aquarium Just Got Easier! Make easy monthly payments over 3, 6, or 12 months from 0% APR PS: If you missed today's call with Melev's Reef and Reef Dudes, not to worry: we saved the audio for you!

FREE EVENT! LIVE CALL! GIVEAWAY! REGISTER: https://mdshop.us/REGISTER8 Dial in #: 563-999-2090 Meeting Code: 292047# Press *6 to ask a question during the Q&A session. If you have trouble dialing in, try 206-451-6018 instead. Marc Levenson of Melev’s Reef and Deven Rich of Reef Dudes create...

Reef-A-Palooza 2018 - The Interviews! We talk to Kessil, Neptune Systems, CoralVue, and MORE!

Innovative Marine: Buy Now, Pay Later Pay over 3, 6, or 12 months with rates from 0% APR!

Win a Red Sea Max Nano Aquarium! Join us at Reef-A-Palooza this weekend at the Anaheim Marriott!