the first one is on of the slh. the next three are some of the pre98 bubba .the last one is one of two grape bubba for some reason they look like there dying water temp,ph nutrients, everything seames to b on .. cant put my finger on whats wrong with them any help? is there somthing i can give them looks like im loosing them......there still seams to b slow growth i think.. i had triuble with water temp and prob algey on one dwc but i gave them hyozyne or something like that.. and put two frozen bottles in ea dwc change them twice a day keep them cold.. n e input would b helpful thanxs in advance.