marine depot

$50 off Peninsula Tanks + Reserve Your KPS Wavemaker STRETCH your imagination with a new Peninsula aquarium + PRE-ORDER the new Wi-Fi controllable KPS wavemaker (watch video)

New Tank Gear That Will Blow Your Mind Seeing is Believing! Check Out April’s New Arrivals!

The Complete Guide to Hang-On Equipment for Your Reef Tank High-Performance and Space-Saving Equipment Options!

Infographic: The Life Cycle of Marine Ich Understanding the life cycle of Ich makes the disease easier to treat!

Blue Life: Buy 1 Get 1 FREE + 10% OFF Special savings on AIO media + pest & algae control!

Drop-Off Tank Build - Episode 5: Pump Install + Which Skimmer Should We Use? We are setting up a drop-off aquarium and want YOU to help us build it! Vote for the protein skimmer we’ll install in Episode 6!

This week’s TOP 10 Deals from Aqua Medic, Current USA, AquaMaxx, Hydor, Vertex, Korallen-Zucht, and MORE!

VIDEO: APS Aquarium Stands: Super Lightweight + Fast & Easy Assembly Innovative Marine has some brand-new aluminum aquarium stands coming out that have some unique features we are really excited about!

Aqua Medic: EARN 10x REWARDS Earn 10x rewards on any Aqua Medic purchase for a limited time! PLUS: Get a Marine Depot T-shirt with your purchase of 300+ Aqua Medic EcoDrift Pumps: An Affordable Way to Make Waves in Your Reef Setting Up an Aquarium Dosing Pump: It's Easier Than You Think!

Cool Aquarium Products You May Not Know About, But Should! Handy feeding tools, coral viewers, underwater cameras, and more!

Today is your lucky day! Pinch more pennies in our St. Patrick's Day Sale! SALE ENDS SUNDAY @ MIDNIGHT

Current USA: EARN 15x REWARDS + LOOP Giveaway! Earn 15x rewards on any Current USA purchase for a limited time! Sync Aquarium Lighting and Flow with the Current USA Loop

Drop-Off Tank Build #4: Heater Install + Which Pump Should We Use? Choose the equipment we'll use for this tank in each new episode!

Stock up and $ave on Supplements! Save 20% on all AquaMaxx brand supplements for a limited time!

Fish Facts with Quality Marine, Episode 1 - Reef Safe Triggerfish Check out Episode 1 of our new series with Quality Marine!

Trigger Systems: EARN 10x REWARDS! Earn 10x rewards on any Trigger Systems purchase for a limited time!

Reserve your Flow Monitoring Kit today! Start monitoring flow in your aquarium with Neptune Systems FMK!

Drop-Off Tank Build - Episode 3: Aquascaping + Which Heater Should We Use? In today’s episode, we aquascape the tank with the rock YOU voted for. Stay tuned until the end so you can vote for the heater we’ll install in Episode 4!

Diagrams: How RO/DI Systems Work Find out how 4 and 6 Stage RO/DI systems work!

Presidents Day Sale! Deals on dosers, supplements, skimmers, and more! PLUS 10% off sitewide w/ coupon UNITED ends @ midnight TONIGHT! Some exclusions apply.

Win a Hydra TwentySix HD LED Light and HMS Mount! The Hydra TwentySix HD is capable of producing a limitless number of spectral combinations to fit your tank’s exacting needs. Enter now for your chance to blast your aquarium into Hyperdrive! ENTER NOW

10% off Sitewide Starts Now!

Presidents Day Pre-Sale: 15x REWARDS! 2 Days Only: Earn 15% cash back on most purchases!

Perfect Pairs: Sweet Separately, Better Together! Happy Valentine’s Day!

Shop by Tank: Select Your Tank. See Compatible Accessories! Find upgrades for your all-in-one aquarium quickly and easily!