Aqua One Natural Gravel White Sand Australian 10kg Sas 6mm Sinking Mini Wafers are

6mm Sinking Mini Wafers are specially designed for bottom-feeding fish such as catfish

A CO2 reagent is filled into the CO2 Drop Checker and will change the colour according to the amount of dissolved CO2 in the aquarium water

Output connector

a more economical choice can be made to use either FlorinBacter One

Aqua One Natural Gravel White Sand Australian 10kg Sas 6mm Sinking Mini Wafers areAqua One Natural Gravel White Sand Australian 10kg Features and Benefits Australian sourced and packaged Replicate natural environments for aquatic inhabitants Promotes natural digging behaviour of certain species As waste collects at the sands surface, it makes cleaning quick and easy pH stable and safe for aquariums Promotes essential beneficial bacteria growth to sustain a healthy aquarium environment