yeah like the title says tested nitrates and it's above 80 i believe i've been doing water changes constantly and idk what else to do everytime i do the water change it lowers it then the next day it's back to dark purple and i just keep fighting this battle and it's getting frustrating please help the coral and fish dont seem to show any sign that its super high nitrates in the tank ive tested it with different test kits and its different with everything i test with but everything is relatively high please help



