Marine Depot and API are giving away OVER $500 IN PRIZES THIS MONTH! Each week during the month of August, MD and API will be giving away a trio of cool API products. TO ENTER WEEK 3, CLICK HERE Here are the three prizes for Week 3: API Reef Master Test Kit API Nitra-Zorb API Stress Coat Registration for Week 3 ENDS at 11:59 PM PST on 8/24/14. Details: Open to U.S. residents 18 years or older. Void where prohibited or restricted by law. Winner will be contacted via email.