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We offer fish-safe 45 MIL EPDM liners in a variety of sizes to build almost any size pond. 45 MIL EPDM is a flexible, durable rubber that is easy to repair and offers many design options.

To calculate which liner you will need, add the depth twice (plus a foot or two for excess) to your total pond length and total pond width. If in doubt, buy large. Scraps may be used for patching or waterfall construction.

For rocky soil or where tree roots may pose a problem, using Tetra's pond underliner will protect the liner from punctures. Liner weight is approximately .29 lbs. per square foot + box.


Boxed (20 Year Guarantee) Ships UPS

Item # Description Weight Pond Size at 2' Depth Price
LB08x10 Pond Liner 8' x 10' 20 lbs. (Waterfall Liner) $59.89
LB10x10 Pond Liner 10' x 10' 34 lbs. 5' x 5', ~ 375 gal $75.89
LB10x15 Pond Liner 10' x 15' 48 lbs. 5' x 10', ~750 gal $112.89
LB15x15 Pond Liner 15' x 15' 71 lbs. 10' x 10', ~1,500 gal $168.89
LB15x20 Pond Liner 15' x 20' 94 lbs. 10' x 15', ~2,250 gal $224.89
LB15x25 Pond Liner 15' x 25' 116 lbs. 10' x 20', ~3,000 gal $281.89
LB20x20 Pond Liner 20' x 20' 127 lbs. 15' x 15', ~3,375 gal $299.89


Mini-Rolls (20 year Guarantee) Ships Motor Freight

Item # Description Weight Pond Size at 2' Depth Price
LR20x25 Mini-Roll 20' x 25' 134 lbs. 15' x 20', ~4,500 gal $375.89
LR20x30 Mini-Roll 20' x 30' 171 lbs. 15' x 25', ~5,625 gal $449.89
LR25x30 Mini-Roll 25' x 30' 214 lbs. 20' x 25', ~7,500 gal $562.89
LR30x30 Mini-Roll 30' x 30' 257 lbs. 25' x 25', ~9,375 gal $624.89


Bulk Rolls (20 year Guarantee) Ships Motor Freight

$0.68 per square foot. Please call for freight quote.

Width 50' Length Product # 50' Ship Weight 100' Length Product # 100' Ship Weight
10' LB10x50 143 lbs. LB10x100 265 lbs.
15' LB15x50 214 lbs. LB15x100 426 lbs.
20' LB20x50 285 lbs. LB20x100 570 lbs.
25' LB25x50 365 lbs. LB25x100 713 lbs.
30' LB30x50 426 lbs. LB30x100 855 lbs.
40' LB40x50 570 lbs. LB40x100 1140 lbs.
50' LB50x50 713 lbs. LB50x100 1425 lbs.