Hardwater...yeah...there are very few plants that dont grow well in hard
water....brackish..I dont know

Jack wrote:

Are there any good plants for brackish/hardwater aquariums? I'm
interested floating, anchored and potted.

Regarding lighting, I plan to have a 96w white PC and a 40w actinic
flourescent over a standard 75g tank. I would like to use a mixture
of sand/crushed coral for substrate, but don't necessarily have to.