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CLICK HERE to watch: How to dose E.S.V. B-Ionic CLICK HERE to save 10% off on all E.S.V. products! (sale ends 1/6/20 at 11:59pm PST)

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PLUS: 0% APR Financing with Affirm. Shop and save today >>> CLICK HERE!

The IceCap Aquarium Products Gyre is back and better than ever! The all-new IceCap 2K/4K Gyre Flow Pump is not only more powerful than its predecessor, it is now WiFi controllable, allowing you to fine-tune your flow effortlessly and wirelessly from your mobile device. IN STOCK NOW! Get yours...

If you have a freshwater or planted tank, please click HERE!

https://www.youtube.com/watch?v=W_o_Ok7Lkgs Aquarium Sumps EXPLAINED — New Video! Your Hub for Water Filtration and Automation Hardware

https://www.youtube.com/watch?v=W_o_Ok7Lkgs Trigger Systems: Pay Over Time - 3, 6, or 12 months! Pay as low as 0% APR Financing on Trigger Systems with Affirm

https://www.youtube.com/watch?v=gZlh8sNSwGw VIDEO: Fluconazole for Green Hair Algae and Bryopsis How To Treat Your Tank with Flux Rx from Blue Life USA

LAST DAY: Sitewide Sale Ends @ Midnight! SAVE 10% (or more) on most items + earn BONUS REWARDS

Memorial Day Sale: SAVE 10% (or more) ON MOST ITEMS! Have you earned your BONUS rewards today?

TODAY :: 10% off most items PLUS earn BONUS reward points! Our 2019 Memorial Day Sale starts NOW! CLICK HERE to shop everything on sale today »

Fishless Cycling a New Aquarium A Recipe for Success from DrTim's Aquatics!

https://www.youtube.com/watch?v=nFHrOjKTS_s What Is The Right PAR For Vibrant Coral Coloration and Growth? NEW VIDEO! Reef Aquarium Lighting Guide

https://www.youtube.com/watch?v=qWBd9rOJpSg How to Control Phosphate Using Hanna Phosphate Checkers and GFO Media PLUS: New gear from GHL, Eheim, Coral Essentials, and Brightwell Aquatics!

Reserve Your Reefer Deluxe Today! Now outfitted with Red Sea’s new ReefLED lights!

Reef Octopus: Pay Over Time - 3, 6, or 12 months! Pay as low as 0% APR Financing on Reef Octopus with Affirm Click here to get pre-qualified (checking your eligibility won't affect your credit score!)

We sold out of the Neptune Systems Trident ? in about 10 minutes this morning. The good news: we'll have more on the way soon! If you're interested in picking up a Trident, click the "notify me" button on this page and we'll send you an email once they return: https://mdshop.us/Trident

You asked for them—now they’re here: Finnex Titanium Heaters! PLUS: New Sunpole Magnus DC Controllable Pumps and Waterbox Aquariums Birthday Sale!

Birthday Sale: 10% off Waterbox Aquariums Frag Series Tanks Save up to $190 on select Waterbox tanks!