Drop-In Pond Liner for Growing Dome Greenhouse

These Drop-In Pond Liners are designed specifically for use as the liner for the above-ground pond inside a Growing Dome® greenhouse. The pond stores heat during the day and releases it at night, helping stabilize temperatures while also creating a living aquatic system for fish and plants.

Made from 30 mil EPDM rubber, each liner is durable, flexible, and safe for fish, aquatic plants, and beneficial microorganisms. EPDM performs exceptionally well in greenhouse environments, resisting UV exposure, temperature swings, and long-term water contact.

Each liner is pre-sized to match specific Growing Dome® diameters and includes a trim retainer to secure the liner neatly around the pond edge. Installation is straightforward—drop it in, secure the trim, and fill.

Key Features

  • 30 mil EPDM pond liner – flexible, puncture-resistant, and long-lasting
  • Fish-safe & plant-safe
  • UV and weather resistant
  • Designed for above-ground ponds in Growing Dome® greenhouses
  • Includes trim retainer for a clean, secure installation
  • Ships folded in a compact box for easy handling

Sizing Specs

15' Dome Drop-In Pond Liner - Oval. Measures 109" x 50" x 51". Includes 20' of trim retainer. Approximate volume is 600 gallons.

18' Dome Drop-In Pond Liner - Oval. Measures 105" x 54" x 51". Includes 20' of trim retainer. Approximate volume is 700 gallons.  

22' Dome Drop-In Pond Liner - Oval.  Measures 141" x 59" x 51". Includes 25' of trim retainer.  Approximate volume is 1000 gallons.

26' Dome Drop-In Pond Liner - Oval. Measures 152" x 62" x 51". Includes 27' of trim retainer.  Approximate volume is 1200 gallons.

33' Dome Drop-In Pond Liner - Round.  Measures 137" Diameter x 51". Includes 36' of trim retainer.  Approximate volume is 2300 gallons.

42' Dome Drop-In Pond Liner - Round. Measures 152 Diameter x 51". Includes 40' of trim retainer. Approximate volume is 3200 gallons.

If you’re unsure which size is right for your dome, our team is happy to help. Call our office at 1-800-753-9333 for assistance.

Size: 15'

$595.00

Pickup available at Pagosa Springs Facility.

Usually ready in 5+ days

View store information

Questions?  Call us at 800-753-9333. 

Our friendly Growing Dome Advisors are experts at helping you choose a geodesic greenhouse kit configuration for your climate and unique needs.

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