Instruct: Classify Amazon reviews into positive or negative sentiment
Query: VERY SLOW FILTERING

I BOUGHT MY TANK AND TWO WEEKS LATER THE FILTER IS FILTERING VERY SLOWLY. I DONT KNWO WHAT HAPPENED. NOW IT TAKES FOREVER. I DONT KNOW IF I SHOULD EVEN BOTHER PURCHASING MORE FILTERS..I LOVED IT AT FIRST BUT NOW ITS A PAIN IN MY BACK TO WATCH IT FILTER SO SLOW. ANYONE HAVING THIS PROBLEM?