Randy Holmes-Farley
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Reef Chemistry Puzzle 17
1. I am a very hefty ion in seawater
2. I come in two primary ionic forms in seawater
3. Quite a few reef aquarists dose me
4. In my elemental state, I am so darkly colored as to appear black
What am I?
Good luck!
Previous Reef Chemistry Puzzle:
1. I am a very hefty ion in seawater
2. I come in two primary ionic forms in seawater
3. Quite a few reef aquarists dose me
4. In my elemental state, I am so darkly colored as to appear black
What am I?
Good luck!
Previous Reef Chemistry Puzzle:
Reef Chemistry Puzzle #16 I shine
Reef Chemistry Puzzle #16 Three clues today: 1. I can be very shiny, but few reefers see that side of me 2. I am among the most abundant ions in seawater 3. The American Heart Association seem to have a grudge against me What am I? Good luck! Previous Reef Chemistry Puzzle...
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