Chlorine is the debut EP from UK alternative rock band Overgrown, collecting the singles that introduced the group's hard-hitting post-grunge and alternative metal sound. Featuring tracks including "Pieces," "With Me," "Mistake," "Give Up," and "Breathe," the EP blends heavy guitar-driven energy with melodic hooks and emotionally charged songwriting. Chlorine showcases Overgrown's emerging talent and delivers a modern rock sound that balances intensity, atmosphere, and memorable songwriting.