Blue Thumb Bacti-Twist Biological Filter Media Tetra Pond these handmade gliding chairs are

these handmade gliding chairs are made entirely of maintenance-free

Gas exchange eliminates toxins and reduces chance of fish death during winter by keeping a hole in the ice

Virtually maintenance-free

Thread the nylon string through the holes and fasten the bells to the upper string between the stakes

Blue Thumb Bacti-Twist Biological Filter Media Tetra Pond these handmade gliding chairs areThis bio ribbon media from Blue Thumb (formerly Pondbuilder) is spiral shaped, plastic media designed to filter your pond biologically and mechanically. Bacti Twist's large surface area allows pond debris and other waste to accumulate where beneficial bacteria can consume it. This media is easy to clean and can last for years.