1x Air Stone
Instructions for use:
-1. The product should soak in the water first for 15 minutes before use.
-2. The long-term use producing dirt blockage would reduce the bubble; take it out to clean for repeated use.
Bubble stone, made by high temperature, durable, good at increasing oxygen levels, high quality filtering, widely used at:
-(1) Fish farms to the eutrophic water environment oxygen, biological cultivation of oxygen.
-(2) Oxygenation in the process of aquatic transportation to increase the oxygen solubility, prolong the life span.
-(3) Aquarium / water purification, filtration; oxygen sterilization for ozone environment.
-(4) Sewage treatment process of aeration oxygen, to prevent the deposition of large particles of sediment, and can remove some organic matter.
 
Parameter:
Product Size (cm): Diameter About 4/6/8/10/13 cm,Relative thickness:1.5cm/1.5cm/1.5cm/1.5cm/2cm.
Relative Weight : 0.038kg,0.082kg,0.137kg,0.175kg,0.359kg.
Material: Gray Pottery,High temperature sintered bubble stone is made by high temperature sintering, different from the general market bubble stone, the material is strong and durable, can be repeatedly cleaned, long-term use.
 
 
Package:
1x Air Stone (Size base on your selection) 
 
Note:
4/6/8cm not include Black Protective Cover
10cm Random Send For Black Protective Cover
13cm Include Black Protective Cover