Im sorry but didnt everything start with trial and error. theres is no dought that parsons care in captivity has changed dramatically. Alot is due to fact that they are so pricey, again it doesnt weed out all but it does most. Its becouse these animal are so pricey is why peaple are more...
for the deepest penitration of viable light(for plants that are the bottom) would the 10.0 be better. does the extra do any harm to the chams themselves