When: Friday, April 20, 2012 @ 7:00 p.m. Where: IHOP, 1001 E 17th St, Santa Ana CA 92701-2546 This month's guest speaker: Marc Levinson Topic: Why every reefkeeper should have a PAR meter! Marc Levinson has a wealth of knowledge to share about out hobby. Come join us as Marc gives his presentation from MACNA 2011. Don't forget to bring your water samples to have them tested for phosphate by our water quality expert Steve Garrett. If you are interested in borrowing the club's PAR meter, please see Greg Fryling.