ok inf.. i have over 1.000.00 kind of coral my tank is72 blowfront with 27 fish all pair i use only seawater and special diet for the coral make the growing 60% more any coral if you guys now Dong or joe old dog or greg hiller they saw my tank i runing two mp10 w es sump 20 gall light Ai vega and octps skimmer . i have more coral any store , now ill start to breeding hippo tang I wait for the next spawn . dong will going give some space in hes fich tank light go on 9:30Am to 8:00 pm i have break with wether affect . 4 a day 20 minuts each,i know hopw to sex hippo tang in very advanced in the hoby im living in woburn ma .