Slice the bottoms off empty plastic gallon milk jugs and 2 ordinary household cleaning items, and people can’t believe the result.. Full article

For a more tailored watering approach, consider using colored sponges or marking the jugs with plant names or watering schedules. You can also experiment with different sponge densities to control the water flow rate. For larger plants, use a similar method with larger plastic containers. Additionally, adding a small amount of fertilizer to the water can provide nutrients directly to the roots.
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