Specifications:
Color: as shown in the pictures
Size: 15 x 40 mm/0.6 x 1.6 inches
Material: pollution-free materials
Wide Applications:
Add oxygen and circulating nutrition to your hydroponic growth system
Add beauty to your exhibition aquarium
Packing Include:
12 x oxygen stones
Warm Note:
It is a normal phenomenon that bubble stone will clog after long time use. Just use a brush to clean the surface and dry it in the sun after sanding with sandpaper
