Pedals that stack with the Blackstar HT Club 100 HTV-100 MKIII 100-Watt

pushes an already-dirty tonePushes an already-dirty tone harder and tightens it up. (high gain → clean boost)

Greer Southland takes that high gain character and pushes it toward clean boost

Goes in front of the amp

pushes an already-dirty tonePushes an already-dirty tone harder and tightens it up. (high gain → clean boost)

Stack Boss BD-2 Blues Driver on top and a high gain tone tightens toward clean boost

Goes in front of the amp

pushes an already-dirty tonePushes an already-dirty tone harder and tightens it up. (high gain → mid-forward)

Stack Keeley Red Dirt Overdrive on top and a high gain tone tightens toward mid-forward

Goes in front of the amp

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor. (high gain → modulated)

Keep Blackstar HT Club 100 HTV-100 MKIII 100-Watt's high gain voice out front: Boss CE-2W Chorus Waza Craft goes after Blackstar HT Club 100 HTV-100 MKIII 100-Watt in the signal chain so its modulated voice doesn't muddy it

Goes in front of the amp

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain.

Maxon CP-9Pro+'s own compressed character is the real reason this is worth trying

Goes in front of the amp

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor. (high gain → slapback)

Run MXR Analog Delay in Blackstar HT Club 100 HTV-100 MKIII 100-Watt's effects loop, clear of Blackstar HT Club 100 HTV-100 MKIII 100-Watt's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Keep Blackstar HT Club 100 HTV-100 MKIII 100-Watt's high gain voice out front: TC Electronic Triple Flashback Delay goes in Blackstar HT Club 100 HTV-100 MKIII 100-Watt's effects loop so its tight voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop