GeekyFluxSchnell is a Flux Schnell Merge, this workflow is meant to allow you to use it. https://civarchive.com/models/862349/workflow-for-schnell-merged-checkpoints

v1 - Merge based on Cascade research - taken down to upload new merge with schnell lora made offline will also upload Lora separately - back up lol.

v2 - Flux Schnell Merge - custom blend from a few models

Both are originally guf models and require the guf nodes/extensions