A pond liner is a strong, waterproof sheet made from materials like HDPE, LDPE, EPDM, or PVC, designed to keep water from seeping into the ground. It forms a protective barrier between the pond water and the soil, ensuring that the pond holds water effectively. By preventing leaks and soil erosion, a pond liner helps maintain the pond’s shape, stability, and depth over time. It also supports a healthy aquatic environment by keeping water levels consistent, making it essential for building durable and long-lasting ponds and water features.
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