Plumber's Dye Tablet Blues

Verse 1: Plumber came to fix our john Left a surprise when he was gone A little tab, blue as can be Wife's eyes widened, "What could this be?" Chorus: Oh, the water's turning blue Honey, what are we gonna do? It's just a test, no need to fret The bluest flush you've ever met Verse 2: Hubby laughed and shook his head "Don't worry, dear," is what he said Nature called, he took his aim The water's color changed again (Repeat Chorus) Bridge: From blue to green, a magical scene Our toilet's now a color machine No need for fancy LED lights We've got a bowl of pure delight Outro: So if your water's changing hue Remember what our couple knew It's just a test, so have some fun The rainbow bowl has just begun