You should always keep a bit of water in the bromeliad's cup (or tank) and it should not go dry. In addition, water the soil when it's dry. Can you use tap water for bromeliads? You can use tap ...

The Florida Entomologist, Vol. 64, No. 4 (Dec., 1981), pp. 491-506 (16 pages) Aquatic stages of the mosquito Wyeomyia vanduzeei Dyar & Knab inhabit leaf axils of the epiphytic bromeliad Tillandsia ...