The Fowl Sounds Circadian Sludge is an uncompromising pedal for fans of doom, sludge and stoner rock. With its punchy, deep distortion and raw, organic character, it delivers heavy, sludgy sounds that are a perfect match for lower-tuned guitars and bass. The simple operation with volume, gain and tone controls makes the pedal quick to use - for tough riffs, booming chugs and everything in between. A real insider tip for anyone who likes it dark and loud.