Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Never again...

My wife bought it 4 mo. ago or so but start useing it 5 weeks ago. At first she complained that its very inconvinient to use and dhe were never able do disasemble pump to clean it. Even for me it was almosi imposible to unscrew the blue ring, but pump was leaking from alover. Won't buy any TheFY product again.