like the title says the darn thing wont color up the red strip is more of a pink and i have been feeding it new life for 3 or more weeks. any advise. i have 20 of them 3 to 4 inches each (petsmart 7.41 each after taxes.) the tank mates are 20 brilliant rasboras 20 diamond tetras and 3 or four Chinese algae eater. 90 gal with emperor 400 (roselines will be moved to a 125 planted about x-mas)