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Scrape, scrub, and give your tank a little love! Save 10% on Algae Scrapers, Magnets, Scrubbers, and Pads!

It's a Family Affair! The family that reefs together, stays together!

No excuses! Today’s the day to buy a RO/DI system Remove harmful impurities from tap water before they enter your tank!

No excuses! Today’s the day to buy a RO/DI system Remove harmful impurities from tap water before they enter your tank!

Perfect Coverage. Awesome Colors. Excellent Growth. Outfit your reef with the latest in LED technology from Kessil!

FIRST LOOK: Kessil AP700 Magnetic Diffusion Optical Lenses Hybrid optics, Wi-Fi control, and beautiful full spectrum color!

AquaMaxx Long Rimless Tank and NemoLight LED - REVIEW, Part 1 Randy reviews AquaMaxx's new long bookshelf-style tank and NemoLight LED fixture on the MD blog. Check it out! { LOTS OF PICS! }

New @ MD: Desktop Tanks, Cube Sumps & Reactor Media Check out new arrivals from JBJ, Trigger Systems and Seachem!

$100 off Apex Gold and $50 off DŌS + DDR Bundle Rare deals from Neptune Systems you won't want to miss!

Just Dose It Give your reef precisely what it needs to grow and thrive! Setting Up an Aquarium Dosing Pump: It's Easier Than You Think! Advanced Dosing: Beyond Calcium and Alkalinity

Setting Up a Dosing Pump: It's Easier Than You Think! Tired of daily dosing? Let a dosing pump do the work for you!

10% off Test Kits Unlock the secrets to maintaining high water quality using test kits! Save 10% with coupon code TESTNOW until midnight Sunday! Aquarium Test Kits: Parameters to Test for in Fish-Only and Reef Tanks

Knockout Nitrate! Denitrator Deals and other Nitrate-Lowering Solutions on Sale Today! How to Lower Your Nitrate with a Biological Denitrator How to Lower Nitrate (and Phosphate) in a Reef Aquarium using BioPellets Filter Media Guide: Carbon, GFO and BioPellets

VIDEO: Lower Your Nitrate with a BioDenitrator Put bacteria to work for you in the battle against nitrate! How To Mix Saltwater For Your Aquarium How to Lower Nitrate (and Phosphate) in a Reef Aquarium using BioPellets

The AutoAqua Smart ATO Micro with a DIY Twist! Reef hobbyist and engineer Randy Lindsay returns with this guest post about his experience swapping out the built-in pump of Autoaqua's Smart ATO Micro with a peristaltic pump.

10% off Frozen Food We ship frozen food anywhere in the contiguous U.S. for a low flat rate! Save 10% on your order until midnight Sunday w/ coupon code FROZEN Feed Frozen Fish Food to Increase Fish Color and Vitality Coral Food: Make Your Corals Fat and Healthy

Miss RAP Orlando? Here's what was in our booth... PLUS filtration and media deals, plug & play tanks and new calcium reactors!

VIDEO: AquaMaxx NemoLight LED Strip Lights The NemoLight is a feature-rich fixture for an affordable price! READ MORE ABOUT THE NEMOLIGHT: Reef Builders: NemoLight LED Review - Part 1 and Part 2 Advanced Aquarist: AquaMaxx launches NemoLight LED lights

You Can't Go Wrong ... ... with these customer favorites! Check out our shoppers' favorite pumps, skimmers, LEDs, rocks, ATO, and RO/DI systems for the month of April by clicking on the banner below.

AIO Jellyfish Tanks, New + Discounted Skimmers and LED Deals Win a tank, get a catalog, score a FREE shirt and save some dough!