Tetra SafeStart Aquarium Starter - with live nitrifying bacteria, allows the rapid introduction of fish in an aquarium, 250 ml bottle.

Tetra SafeStart Aquarium Starter - with live nitrifying bacteria, allows the rapid introduction of fish in an aquarium, 250 ml bottle.

Tetra AquaSafe to Turn Tap Water into Safe and Healthy Water for Fish and Plants, 500 ml

Tetra FilterActive Bacteria- mix of live starter bacteria & sludge-reducing cleaning bacteria, to support biological activity in aquarium, extend cleaning intervals & improve filter performance, 250ml