Marina air stone is ideal for adding accents in any aquarium the air stone diffuses air, creating water movement, increases surface agitation, accelerates oxygen replenishment, release carbon dioxide build-up, Rec
Fluval Gravel Vac Multi-Substrate Cleaner-Small/Medium, Features: Effectively traps dirt and debris, Tube extension included for larger tanks and hard to reach areas, Use in freshwater and saltwater aquariums, Thumb-