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

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Available Options