UCA Acro (Ultra Corals Australia). Bold colour combo, contrasts well with Lighter Acro. It is very hardy and a fast grower when it is given stable parameters. The big three parameters to keep stable are Alkalinity, Salinity and Temperature. Ensure this frag is placed in areas with high flow and high light.Suggested parameter ranges ( Please don't target numbers, everyones tank is different, stability is key.)PO4 0.05-0.15ppmNo3 0.25 - 10ppmAlk 6.5- 10ppmMag 1350-1450ppmCal 400-450ppmSalinity 35100% aqua-culturedFantastic light coloured AcroGrown under a combination of T5 and LEDs at about 375 PARBranching Growth Form.Photo was taken under ATI T5 Blue Plus bulbs and Orphek OR3 LED Actinic light Bar