Introduction:
This kind of product has many kinds, can be used as present send to friends; also can be put in the wardrobe. The solid oxygen ball is just been selling in the market. It can be sell in
supermarket, stores, restaurant, hotel, fast food shop, market and so on.
Theory
The solid oxygen ball and the nutritive medium are the most important element of the product. The solid oxygen ball can release oxygen slowly, and can exchange the impurities into the food the
fishes need. The nutritive medium contains a lot of microelement, so it can make the fish much stronger and supply the nutrition fishes need. In the normal condition, the solid oxygen ball can be
used 3-6 months. After the solid oxygen ball is used out, it can refill again.