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This method helps retain water and improve drainage, reducing root rot risk.
Ideal for houseplants and container gardens, especially in warmer months.
One sponge can be reused for several pots—just cut it into smaller pieces.
Variations:
For larger pots: Use two or three sponges stacked at the bottom.
For hanging baskets: Add a sponge in the center to keep soil moist longer.
As a water wick: Cut a thin strip of sponge to connect soil and a nearby water source.
FAQ:
Q: Will the sponge rot over time?
A: Synthetic sponges last longer; cellulose sponges may break down after several months and can be replaced easily.
Q: Can I use a sponge with soap residue?
A: No. Make sure the sponge is clean and free from any detergent or chemical traces.
Q: Is this method safe for edible plants like herbs?
A: Yes, as long as the sponge is clean and chemical-free.
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