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Koi Pond, Waterfall & Garden Fountain – Fish Pond Liner 4.7 Mil HDPE
Fish Pond Liner 4.7 Mil HDPE – Waterproof Koi Pond, Waterfall & Garden Fountain Liner
Create a safe, durable, and leak-free water feature with this 4.7 Mil heavy-duty HDPE fish pond liner. Thicker than standard liners, it delivers superior puncture resistance and long-term waterproofing — making it the ideal choice for koi ponds, garden fountains, backyard waterfalls, and outdoor water gardens.
Key Features
- 4.7 Mil Thickness: Thicker gauge HDPE provides enhanced puncture resistance and durability compared to standard pond liners
- Fish-Safe HDPE Material: Plasticizer-free, non-toxic construction creates a safe habitat for koi, goldfish, and all aquatic life
- Fully Waterproof & Leak-Resistant: Reliable water retention keeps your pond full and your soil dry
- UV & Weather Resistant: Engineered to withstand UV exposure, extreme temperatures, and seasonal weather changes
- Flexible & Easy to Cut: Pliable black liner conforms easily to any pond shape — simple to trim and install without special tools
- Multi-Purpose: Suitable for koi ponds, fish habitats, garden fountains, waterfalls, raised planters, and cisterns
- Two Sizes Available: 10×10FT and 13×33FT to suit different pond dimensions
Specifications
| Feature | Detail |
|---|---|
| Material | HDPE (High-Density Polyethylene) |
| Thickness | 4.7 Mil |
| Color | Black |
| Waterproof | Yes |
| UV Resistant | Yes |
| Fish Safe | Yes (Plasticizer-Free) |
| Available Sizes | 10×10FT, 13×33FT |
| Suitable For | Koi Ponds, Fish Ponds, Garden Fountains, Waterfalls, Planters, Cisterns |
Use Scenarios
- Koi & Fish Ponds: Build a safe, non-toxic pond environment for koi, goldfish, and other aquatic species
- Garden Water Features: Line decorative garden fountains and streams with a reliable waterproof barrier
- Backyard Waterfalls: Create natural-looking waterfall channels with long-lasting leak protection
- Raised Planter Boxes: Use as a moisture barrier in raised garden beds to retain water and protect structures
- Cisterns & Rainwater Collection: Suitable for water storage and rainwater harvesting applications
Installation Tip: Place a layer of old carpet or sand beneath the liner to protect against sharp stones and extend the liner’s lifespan.
Frequently Asked Questions
What sizes are available?
10×10FT, 13×33FT
How thick is it?
4.7 Mil — Thicker gauge HDPE provides enhanced puncture resistance and durability compared to standard pond liners
What's it made of?
HDPE (High-Density Polyethylene)
Is it waterproof?
Yes
What colors does it come in?
Black