Pedals that stack with the Dr. Scientist Sunny Day

JHS Smiley

The transparent tone has headroom to spare — JHS Smiley gives it fuzzy to fill it with

Pigtronix Octava Micro

Pigtronix Octava Micro's high gain fills in what this transparent tone doesn't make on its own

Dunlop JD-4S Rotovibe

Keep Dr. Scientist Sunny Day's clean boost voice out front: Dunlop JD-4S Rotovibe goes after Dr. Scientist Sunny Day in the signal chain so its low gain voice doesn't muddy it

Xotic SP Compressor

Xotic SP Compressor's own mid-forward character is the real reason this is worth trying

Malekko Electro-Harmonix Memory Toy Analog Delay

Run Malekko Electro-Harmonix Memory Toy Analog Delay after Dr. Scientist Sunny Day in the signal chain, clear of Dr. Scientist Sunny Day's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Fender Hammertone Reverb

Put Fender Hammertone Reverb after Dr. Scientist Sunny Day in the signal chain, clear of Dr. Scientist Sunny Day's own gain stage — goes in the amp's FX loop (or last, into a clean amp)