I currently have a pedal board that puts delay, chorus and phaser through an effects loop and the rest of my pedals: OD, Tuner, etc. do not. When I play my Ultra Gain Channel (I click on the Channel pedal button) and play, then click on the FX Loop button on my pedal to engage the FX Loop but my volume level becomes lower. When I disengage the FX Loop button the volume goes up again. Any thoughts on how to level these off? There isn't a volume level button on my delay, chorus or phaser to balance that out. Is that normal?
With the pedals you are using the output level is probably not large enough to drive the return, if there is no adjustment on the pedals you can use a volume or graphic pedal whcih will increase the output of the pedals to drive the amplfieir. You will need to balance between the pedals being on and off.