When choosing a pump it is very important to consider the liquid to be handled. Clear water is rainwater, pool water or water from the water network, in general water that does not have suspended residues or particles so small, the passage of which does not constitute a problem for the operation of the pump.
For a correct choice of the electric pump based on use, the technical characteristics include the measurement of solids allowed, so that the passage does not prevent operation and damage the device.