Although it is advised to change each tip after every single use but while working with same solutions 1 tip can be reused but condition being tht tip should not be in direct contacts with our hands and other parts of the body,,
Its depends on what type of work u want with tips. if u r using it for chemicals then just wash it twice or thrise with D/W, if its for sterile work then first properly wash it and then autoclave it. Tips can be sued many times
Although it is advised to change each tip after every single use but while working with same solutions 1 tip can be reused but condition being tht tip should not be in direct contacts with our hands and other parts of the body,,