Win a Neptune Systems DŌS (a $349.95 value) and get *BONUS* entries for each person you refer! Neptune Systems' revolutionary dosing and fluid delivery system, the DŌS, is one of the hottest aquarium products of 2015. So hot, in fact, that current demand exceeds available supply. Fortunately, we have one DŌS set aside for one lucky aquarium hobbyist! To enter for your chance to win it, all you have to do is sign up for our weekly email newsletter. And, for each person you refer that enters our giveaway, you will receive additional BONUS entries! The person with the most referrals will receive a $30 Marine Depot gift certificate. The person with the second most referrals will receive a limited-edition "Kiss My Wrasse" T-shirt. The winner of the DŌS will be randomly selected from all eligible entries. Do you want to automate dosing, water changes and feeding? ENTER NOW. Registration ENDS at 11:59 PM PST on 2/9/15. Details: Open to US residents 18 years or older. Void where prohibited or restriced by law. Winner will be contacted via email.