Nitrates High Help

Ok So My Nitrates Are Sky High...i Did 3 Different Water Changes A 50% Still No Change Then A 20% No Change Then Last Night I Did Anoter 50 No Changes The Nitrates Are Still At The Top Of The Scale...i Have No Living Life In The Tank Except Lr....what Can I Do To Lower These Off The Scale Nitrate Levels??? Please Help!!!
 
Top