been noticing my water has very high nitrite and nitrate .. been doing %20 water change everyday for the last 3 days.. nitrite and nitrate has not change.. what should i do ?... i have a NTT, jardini, golden nugget, RTC, blood parrot, and today i just got a marble motoro.. i was so scare of the motoro dying ,,, but my LFS said i have to take it home because it was a special order.. he can't keep stingrays in his store... WHAT SHOULD I DO GUYS....!! HELPPP