Tea seed powder is made from squeezed camellia seeds and contain 12-18%Tea saponin.Tea saponin is a Hematolysis toxin which can dissolve fish red blood cells, so that it can kill unwanted fish, loach, snail, clam, frogspawn,tadpoles and some aquatic insects.Tea saponin is easy to dissolve in alkaline water.The effect is better after adding some limewater.Tea seed powder is an efficient organic fertilizer because the protein content is higher.Therefore,it is widely used on crops and plantations of fruit trees. 　　 Tea seed powder also fertilizes the sludge on the bottom of the cleared pond,so using Tea seed powder as the clearing agent for ponds is better than other treatments. 　　 Tea seed powder was widely used for clearing ponds and killing pests such as earthworms,in paddy fields and top-grade lawns.Tea seed powder is a natural treatment.It will disappear naturally ,and no poison is left after using it,so, it is safe to use. Further more, it accelerates the growth of the water plant instead of killing them. Thirdly,there are no side effect to the shrimp and crabs.It can be used to accelerate shrimps and crabs to cast off their skins,therefore making them grow faster.Last but nou least,Tea seed powder can increase the fertilizing efficiengy and the rate of growth increases obviously 　　 When tea seed powder is used in the pool breeding of shrimps and crabs. 　　 The ingredients of good Tea Seed Powder are:Tea Saponin:12-18%,Oil