There is much confusion over how to water Tillandsias, or air plants. Some of the information in this post may shock you, but I promise that you can grow beautiful air plants if you follow my advice!
For reference, check out a couple blog posts that a wrote on air plants as well!
The first is on general airplant care:
https://www.ohiotropics.com/2019/05/07/complete-guide-to-growing-airplants/
And this next one is specifically for Tillandsia xerographica:
https://www.ohiotropics.com/2019/06/07/tillandsia-xerographica-air-plant/