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Adds an extra protective barrier between pond liner and rocky soils. Reduces Wear and abrasion damage to underside of liner. Highly recommended for every pond installation. Please select your size underlayment by selecting a size from the drop down menu then click on "Add" button to add the size to the shopping cart. |
| 5 Feet Underlayment | 10 Feet Underlayment | 15 Feet Underlayment |
|---|---|---|