DeWitt 4 Ounce Pond Liner Underlayment Complete Aquatics For aquariums and small ponds

For aquariums and small ponds with heavy algae growth

Includes: 1

Overall 23"W x 18"D x 36"H 300lb

25" TLS1850

you can use a smaller

DeWitt 4 Ounce Pond Liner Underlayment Complete Aquatics For aquariums and small pondsDeWitt Pond Underliner is a durable, clean, and safe material to install under ponds instead of using cardboard, newspapers, sand or old carpet padding. Helps protect the inner wall from punctures from stones and cushion the pond wall for fish, while allowing gases to escape to maintain the proper biological balance for all pond life. Constructed of non woven needle punched fabrics in various weights Easy to use, and installs in minutes