Each week during the month of August, Marine Depot and API are giving away a trio of cool API products! Here are the three prizes for Week 2: - API Saltwater Liquid Master Test Kit - API Phos-Zorb - API Algaefix Marine Registration for Week 2 ENDS this Sunday 8/17/14 @ 11:59 PM PST. CLICK HERE TO ENTER! Details: Open to U.S. residents 18 years or older. Void where prohibited or restricted by law. Winner will be contacted via email.