Add oxygen equipment, common on market fraction is large and small-sized two bells. Box of diminutive aquatic animals adds oxygen to need to use air pump and large air to compress aerator) , large commonly used in box of large aquatic animals, seafood feeds four, the place with the great demand such as pound of bright and beautiful carp. In the family, we used diminutive air pump quite. And diminutive has one aperture, double aperture, 4 opening again, its tolerance increases along with Kong Shu. Principle of small-sized air pump is to use annulus of an alternating current magnetism, contain magnetic pole in the drive when electrify brace up lever, oppressive balata bowl will produce compression air. Gas outlet receives plastic pipe, plastic pipe tail end has bubble stone general air is broken, increase interface, increase dissolve oxygen. The tolerance of ordinary air pump is adjustable. Large pump is compressed with air cylinder commonly, tolerance is big, function is more reliable.

The choose and buy wants a place:
1, ) norms: According to the size of your aquatic animals box. Large box, family expenses is optional 4 aperture or 2 aperture. It is OK that small-sized box chooses weak opening.
2, ) tolerance: No matter odd Kong Huo is poriferous, check fish tolerance wants when buying, take one glue valve, be put into water and electrify, check tolerance, it is normal to see tolerance is big small adjustment, have invariant. Choose broad-minded to buy.
3, ) sound: Voice is smaller of course better, but good onomatopoeia news is little, tolerance is small also.
4, ) run a few minutes, look have peculiar smell, namely the flavour burning paste that electric equipment gives out. Have iron without serious hair etc. This world fake is much, cannot be not prevented.
Conditional word, optional a few are the same as model rubber bowl reserves. Be like nevertheless seldom also bad.
5, ) the price. Ten homebred yuan, good also a few, specific bad also to say, be not slaughtered by National People's Congress pretty good.

Accessory: Stone of plastic pipe, bleb. Send together commonly. Remember, send what also should have sent: Plastic pipe does not want too short (also can buy oneself) , bleb stone has fine arenaceous and ligneous, the actual condition that treats you is chosen, choose commonly homebred fine arenaceous OK. Nevertheless, fine want arenaceously to take put down gently gently, lest broken.

In use, I am leaving all the time, bad news report is very few. Suffer from heat in summer especially.

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