Want to win Elos Alkalinity, Calcium and Magnesium test kits? There is no purchase necessary to enter or win. Just head over to our Facebook page and like and/or share the Elos test kit photo for your chance to win. But HURRY! The entry period ends at 3 PM PST today (10/15/13). We'll announce the winner on Facebook shortly after 3. Good luck... now go, go, GO!!! Many thanks from the Marine Depot team!