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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 »...
December Deals (Spoiler: There's a LOT!)
Discounts on scrubbers, copepods, skimmers, dosers, lights and MORE!
See everything on sale today by...
Curve Elite Skimmers Have Landed
Powered by Quiet & Dependable Sicce Pumps: Curve Elite, NOW IN STOCK!
Check out this 2-in-1 Filter/Skimmer + Hats Are Here!
PLUS: 20% off Curve Skimmers & Top-Sellers Back in Stock
10% off Dosers + Skimmers! PLUS: Hybrid Lights BACK IN STOCK!
Dependable equipment from Bubble Magus now on sale!
Monday Smorgasbord: Coupons, Customer Favs, New Arrivals, & Top Sellers
Here's what's new & what's happening @ MD!
Your $20.18 off coupon expires at midnight!
Start 2018 off right with a BIG discount on your order!