High Quality Square Frame

 If fish floating heads and crabs are found at other times , Shrimp crawling on the edge of the grass, oxygen should be increased in time, the dissolved air has a maximum value before sunset, and oxygen can be stopped every afteoon on a suy day. A whirlpool-shaped bubble water flow is generated under the water. Daily management of underwater aeration of disc type microporous nano aeration equipment. If the microporous tube is found to be broken, repair it in time. The bubble diameter is large at the contact surface with water, which can ensure that the dissolved oxygen at the bottom of the water body accelerates the oxidation of harmful elements such as ammonia nitrogen, nitrite, hyd...

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