Pedals that stack with the Fjord Fuzz Froy Uni-Vibe

Zvex Seek Trem

Run Zvex Seek Trem after Fjord Fuzz Froy Uni-Vibe in the signal chain, clear of Fjord Fuzz Froy Uni-Vibe's own gain stage

Fender Blender

Put Fender Blender in front and the fuzzy tone leans further toward octave

Aguilar Octamizer (Bass Octaver)

Run fuzzy into Aguilar Octamizer (Bass Octaver) for more octave on top

Pigtronix Echolution

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

Walrus Audio Melee Wall of Noise Black

Keep Fjord Fuzz Froy Uni-Vibe's smooth voice out front: Walrus Audio Melee Wall of Noise Black goes after Fjord Fuzz Froy Uni-Vibe in the signal chain so its ambient voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

PRS Mary-Cries Compressor

PRS Mary-Cries Compressor leans toward clean boost, and that's a real, usable character to pair with