Q.how do I get rid of white “powder” clumps on indoor enclosed balcony plants?
how do I get rid of white “powder” clumps on indoor enclosed balcony plants?
I think it is a fungus as it spreads to other plants.
Perhaps the tip of my watering can is spreading it.

Certified GKH Gardening Expert
This is a bad case of Mealy Bugs! They will have to be removed manually with an alcohol soaked cotton swab. Then you can treat with an insecticide.
This article will explain further: https://www.gardeningknowhow.com/houseplants/jade-plant/pests-of-jade-plants.htm
This collection of articles will help you to craft your own pest controls with ingredients that you likely already have in your kitchen, along with other organic gardening tips: https://www.gardeningknowhow.com/special/organic
And this article will give you information on caring for jade plants: https://www.gardeningknowhow.com/houseplants/jade-plant/jade-plant-care.htm