Need reef rock? Don't miss this sale! Celebrate Rocktoberfest until the end of October at Marine Depot! > 25% off CaribSea's new Life Rock, South Seas Base Rock and Rubble Zone Rubble Rock > 10% off Real Reef Live Rock and Shelf Rock w/ coupon REALREEFROCK > 15% off our best-selling rock, AquaMaxx Dry Reef Rock We're also offering 10% off all AquaMaxx aquarium products until the end of October with coupon code AQUAMAXX. The coupon cannot be used on AquaMaxx products that are out of stock or already on sale and may not be redeemed with other coupon offers.