Nano bubble stone air refining machine for fish oxygenation

*Size: Length*Width: S 10*4cm / M 20*4cm
*High-quality nano-materials: our gas stone bubbles are finer and more stable, resistant to acids and alkalis, the surface of the disc is smooth and delicate, gentle to fish, loyal companion, and will not harm fish.
*DIY free connection, create the bubble wall length you need, and make the dream bubble wall. If you feel the air volume is insufficient, please use a more powerful air pump; if the diameter of a single bubble is too large, please adjust the knob of the air pump to get more delicate bubbles, thus creating a dreamy effect.
*Bubble Wonderland: Silently spit out smooth and dense micro bubbles from the pores of the flue gas stone nanomaterials in the furnace to diffuse the dreamlike atomization effect of Alice in Wonderland (two or more nano gas stones) Strips can decorate the fish tank)
*Usage: Put the bubble stone in the water for 10 minutes, and then connect the air pump. If the air is uneven, place the bubble stone in the water,