Pedals that stack with the Fairfield Circuitry 900 Fuzz

MXR M103 Blue Box

Run MXR M103 Blue Box after it and the thin edge settles into something more full

Walrus Audio Ages

Walrus Audio Ages layers clean boost onto an already fuzzy signal

Catalinbread Callisto MkII All-Analog Chorus

Keep Catalinbread Callisto MkII All-Analog Chorus after Fairfield Circuitry 900 Fuzz in the signal chain, clear of Fairfield Circuitry 900 Fuzz's own gain stage

Walrus Audio Fable

Run Walrus Audio Fable after Fairfield Circuitry 900 Fuzz in the signal chain, clear of Fairfield Circuitry 900 Fuzz's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Warm Audio Pedal 76

Warm Audio Pedal 76 leans toward compressed, and that's a real, usable character to pair with

Walrus Audio Mako D1 High-Fidelity Stereo Delay V1

Keep Fairfield Circuitry 900 Fuzz's fuzzy voice out front: Walrus Audio Mako D1 High-Fidelity Stereo Delay V1 goes after Fairfield Circuitry 900 Fuzz in the signal chain so its pristine voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)