LifeGuard Pond Liner 20 ft x 150 ft 45 Mil EPDM Rubber - Durable, Fish

In this review of the LifeGuard Pond Liner 20 ft x 150 ft the bottom line is simple: this is a heavy-duty, fish-safe EPDM liner built for long-lasting water containment and flexible installation. It is best for homeowners and landscapers who need a thick, puncture-resistant membrane for koi ponds, water gardens, waterfalls or retention basins and want a liner that lays flat and shapes easily. The inclusion of geotextile underlayment and a Limited Lifetime Warranty make it especially attractive for installations where durability and wildlife safety matter most.

Key Features

• 45-Mil EPDM rubber: Provides substantial thickness and puncture resistance for long-term durability in outdoor pond and waterfall applications.
• UnderGuard underlayment: Adds a protective layer between soil and liner, reducing the risk of punctures from roots and rocks during and after installation.
• Limited Lifetime Warranty: Offers long-term coverage that reflects the manufacturer's confidence in material stability and workmanship.
• Fish and wildlife safe certified: Suitable for koi, fish hatcheries and aquaponics systems where material safety for aquatic life is required.
• Flexible and easy to shape: The EPDM lays flat and remains pliable, which speeds installation and fitting around features and waterfalls.
• No plasticizers: Formulation avoids plasticizers that can become brittle and crack, improving long-term resilience in sun-exposed conditions.

Who It's For

The LifeGuard liner suits homeowners building backyard ponds and waterfalls, hobbyists with koi or aquaponics setups, and professionals installing water gardens or retention basins who need a thick, reliable membrane. Installers who value a certified fish-safe material and a bundled underlayment will appreciate the reduced risk to aquatic life and the added puncture protection.

It is less appropriate for very small micro-pond projects where a thinner liner would be easier to manage, or for buyers who need lift-gate delivery included; freight ships without lift-gate service and carriers require a working phone number to schedule delivery.

Pros & Cons

Pros

• Exceptional material quality and thickness that customers describe as durable and long lasting.
• Underlayment provides added protection during installation and reduces puncture risk over time.
• Certified fish and wildlife safe, making it suitable for koi and aquaculture use.
• Easy to shape and lays flat, which simplifies installation of features and waterfalls.

Cons

• Heavy weight noted by users, which can make handling and placement more difficult without help.
• Freight delivery does not include lift-gate service, so additional arrangements may be needed for unloading.

Specifications

Brand	Anjon Manufacturing
Material	45-Mil EPDM rubber
Size	20 ft x 150 ft
Included underlayment	UnderGuard geotextile (multiple pieces to match area)
Warranty	Limited Lifetime Warranty
Safety certification	Certified Fish & Wildlife Safe
Shipping	Freight truck (lift-gate not included)

Our Verdict

The LifeGuard 45-Mil EPDM pond liner is a solid choice for anyone installing a permanent pond, waterfall or aquaculture feature who needs thick, fish-safe material and extra underlayment protection. Its durability, pliability and warranty make it good value for medium to large installations, though buyers should plan for the weight and freight delivery logistics.

Frequently Asked Questions

Is this liner safe for fish?
Yes. The product is Certified Fish & Wildlife Safe, suitable for koi, fish hatcheries and aquaponics systems.

Does the underlayment come as one piece?
No. Geotextile underlayment will come in multiple pieces equivalent to the total square footage supplied.

Will the liner arrive with lift-gate service?
No. The item ships via freight truck and lift-gate service is not included; carriers require accurate contact details to schedule delivery.