Aqua One - Bio Balls 300pk Comes in resealable packaging with

Comes in resealable packaging with a simple flip lid to retain moisture and freshness

pure silicone

Specifications: 34cm W x 17

Purchase additional receiver collars for all of your pets

Aqua One - Bio Balls 300pk Comes in resealable packaging withAqua One Bioballs are plastic spheres with a special hollow construction and high surface area which encourage the growth of aerobic filtration bacteria which are essential to any aquarium's health. The Balls are very light and often 'tumble' gently in the external filter's canister, this helps to scrub off debris and prolong effective working life between clean outs. Aqua One Bioballs work well in any filter but are orginally designed to work with