this video covers two parts how to mix primo primer and how to prime a slot mold room a primer comes in powder form so it's necessary to mix with water before you can use it the ratio for the solution is one part powder to four parts water mix them in container you can use to store the primer I use the hate brush mix the ingredients together you want to stir until all the powder is dissolved into the water you can use warm water to speed up this process that is how you mix Prima primary now we will prime the mold to clean the bisque wipe off the mold with wet sponge then you will paint the primer on the mold and three coats again I use the hate brush for maximum coverage and speed the first two codes can be applied back-to-back because the first coat dries very quickly after the second coat I allow the primer to dry before applying the third coat it is recommended to cure the mold at 550 degrees for 20 minutes but we found you can also set it in the Sun for a few hours or let it dry overnight typically you can fire several times we need to reprime a mold