It is also the preferred mortar mix … How to Mix Mortar. The bucket would have been great to Now, as you have calculated the water-cement ratio and quantity of water from the above steps. Mixing Procedure: Put 2/3 to 3/4 of the water into the mixer; Add the Masonry Cement to the batch; Add the sand into the mixer, adding water as necessary to achieve the desired consistency; Mix for 5 minutes in a mechanical paddle type mixer; Add water to achieve desired consistency of mortar, less water for stiff mortar, more water for wet mortar. If you have purchased dry cement, you are ready to mix mortar. - Application Instructor If you want a higher strength mortar, this is the type you should use.