Wow Debby, your tank does look great! That plate coral is a substrate dweller and is a certain death wish having it up on the rock work. I know the Sea Apple is beautiful, but I hope you get the picture with all these responses.
First and foremost it's imperative that you get a handle on the water chemistry and learn the acceptable ranges of each component. Here are a couple of excellent articles by one of the best chemists in the hobby.
The “How To” Guide to Reef Aquarium Chemistry for Beginners Part 1: The Salt Water Itself by Randy Holmes-Farley - Reefkeeping.com
The “How To” Guide to Reef Aquarium Chemistry for Beginners Part 2: What Chemicals Must be Supplemented by Randy Holmes-Farley - Reefkeeping.com
The “How To” Guide to Reef Aquarium Chemistry for Beginners Part 3: pH by Randy Holmes-Farley - Reefkeeping.com
The “How To” Guide to Reef Aquarium Chemistry for Beginners Part 4: What Chemicals May Detrimentally Accumulate by Randy Holmes-Farley - Reefkeeping.com
Get this under your belt and you'll be well on your way to a healthy and long term, beautiful reef tank.
First and foremost it's imperative that you get a handle on the water chemistry and learn the acceptable ranges of each component. Here are a couple of excellent articles by one of the best chemists in the hobby.
The “How To” Guide to Reef Aquarium Chemistry for Beginners Part 1: The Salt Water Itself by Randy Holmes-Farley - Reefkeeping.com
The “How To” Guide to Reef Aquarium Chemistry for Beginners Part 2: What Chemicals Must be Supplemented by Randy Holmes-Farley - Reefkeeping.com
The “How To” Guide to Reef Aquarium Chemistry for Beginners Part 3: pH by Randy Holmes-Farley - Reefkeeping.com
The “How To” Guide to Reef Aquarium Chemistry for Beginners Part 4: What Chemicals May Detrimentally Accumulate by Randy Holmes-Farley - Reefkeeping.com
Get this under your belt and you'll be well on your way to a healthy and long term, beautiful reef tank.