red plants

Rotala macrandra Koehne (1880) Synonyms: Ameletia rotundifolia Wight Common name(s): Giant red rotala Family: Lythraceae Genus: Rotala Region: Southern India Location: unknown Cultivation - Difficulty: high - Recommended KH: 0 - 3 - Recommended GH: 1 - 6 - Light Needs: high - Fertilization...

Based on your experience; how do you get Vibrant Yellow, Orange & Red Plants? Is it: Through excess fertilizers ? Depriving the plants from nitrates ? More light intensity ? More light exposure time ? Better light, RGB or WRGB ? A combination of all of the above ? Some other means, please explain ?