Water Level Controls and Devices. A water column is used on a steam boiler to reduce the turbulence and fluctuation of the water level so the gage glass can provide a steady, accurate water level reading. The use of a water column is not mandatory.
Preparation. Verify the paint is completely dry. Never use varnish to seal acrylic paint if it is even slightly wet. Dust the surface of the dry paint gently with a clean cotton rag or paper towel. Rinse a jar or cup with water to remove any dust particles. Read the label on your varnish to find the correct water-to-varnish ratio. Mix the varnish with water in the jar or cup.
Spray Paint Project Steps. Using ammonia-based cleaner, wipe down chair to remove any dust or particles (if the plastic is new, wipe down with paint thinner for best results).Using painterâs tape, completely tape off any area that you do not want painted. Shake Krylon Fusion for Plastic can for two minutes or more.Applying in a well-ventilated area, hold can 8-10 inches from chair surface and spray in a sweeping motion from side to side (KrylonÂ® EZ Touch 360Â° Dialâ¢ Spray Tip can be adjusted to spray vertically or horizontally â see instructions on the back of label).sing ammonia-based cleaner, wipe down chair to remove any dust or particles (if the plastic is new, wipe down with paint thinner for best results). Using painterâs tape, completely tape off any area that you do not want painted.