Actually, my point was that it might need brighter light than it is used to getting normally. That's what I meant by "jolt". It might not need really high light to bloom; but, it might need a sudden increase in light to trigger blooming. It's all relative. That means if it's in shade and it suddenly gets medium bright light, it might spike; whereas a plant in medium bright light all the time does not bloom. If it's already getting strong light, instead of nuking it in really strong light, I'd first move it to a shadier spot for a few months. Then, suddenly move it back to higher light. The sudden jump in light intensity will mimic the onset of a dry season in nature when the local trees lose some foliage, allowing more light to reach the plants which triggers a blooming response. I have no idea if that's how it works for Mexipediums; but, it does for some slippers, like Paph. sanderianum. I'm just guessing here; but, something made my plant bloom.....just sayin'.