Marina air stone is ideal for adding accents in any aquarium the air stone diffuses air, creating water movement. The air stone also increases surface agitation, accelerates oxygen replenishment and helps release car
Spatula Scoop, Material: polypropylene, Colour: Blue, spatula with oval scoop spoon on one end and flat edge with on the other end, Total Length: 7.87in (200mm), Oval scoop measures 0.83in (21mm) Wide and 1.38in (35mm) long, Flat side measures 0.79in (20mm) wide by 1.57in (40 mm) long
Cube, Individual cubes for density experiments, Available in eight different materials: acrylic, aluminum, brass, copper, nylon, polypropylene, PVC, and steel, Each material is represented by a 1/2inch, 1inch and 11/2inch cube