
Originally Posted by
v2k
water conditions (inland seawater from a well versus ocean water nearby) cause xooanthellae to grow too long or something, and colorful corals can turn brown over time...he provided an example of an outdoor tank in Fiji I believe, set up by I think J. Sprung.
The tank was at the Honolulu aquarium. They were using salt well water that had 50 ppm nitrates. The resulting corals did not have good color development as a result. The corals were collected by Sprung in Fiji. His point was that the corals had turned brown due to the high nitrates.
Gary
125 SPS, 75 gal. LPS/softie reef, 9 gal. Nano