All those of us who have already been caring for houseplants for awhile know you can find a person universal truth of the matter in caring for plants: every plant is different. This is exactly why it's best to test out your self-watering plant hack just before leaving town. Photo: https://cornstalkg672scd2.bloggactivo.com/29244495/how-much-you-need-to-expect-you-ll-pay-for-a-good-plant-feeder-water