Pedals that stack with the Fjord Fuzz Frei

Walrus Audio Julianna Deluxe Chorus/Vibrato

Keep Fjord Fuzz Frei's fuzzy voice out front: Walrus Audio Julianna Deluxe Chorus/Vibrato goes after Fjord Fuzz Frei in the signal chain so its modulated voice doesn't muddy it

Walrus Audio Ages

Walrus Audio Ages stacks clean boost on top of the fuzzy already here

Death By Audio Octave Clang

Run fuzzy into Death By Audio Octave Clang for more octave on top

Pigtronix Echolution

Run Pigtronix Echolution after Fjord Fuzz Frei in the signal chain, clear of Fjord Fuzz Frei's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Walrus Audio Melee Wall of Noise Black

Put Walrus Audio Melee Wall of Noise Black after Fjord Fuzz Frei in the signal chain, clear of Fjord Fuzz Frei's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Jackson Audio Bloom V2 Compressor/EQ

Jackson Audio Bloom V2 Compressor/EQ's own transparent character is the real reason this is worth trying