Thanks Sniperhank!
1. I use RO only.
2. I have 2 small clowns and 1 medium size angel, and recently added a white sand goby, but the guy disappeared the same day, never seen him since. About 25 lbs of live rock, 1.5 inch of sand bed, some corals, 1 laenka orange star, cleaner shrimp and few...