There's usually a mix control on the effect itself (reverb, delay, etc.). Make sure the mix control on the effect is set to 100% (wet), otherwise you'll be getting more of the dry signal along with the wet signal, which would increase the volume when you increase the send level on the channel. A tim...

What a great track! Really thinking outside the box. Production and mix are top notch. Excuse me while I secure my seatbelt.