The Oppo BDP-203 is an excellent high-end 4K Blu-ray disc player, but image quality improvements over cheaper players are tough to spot. Read full review Autoplay: ON Autoplay: OFF
Efflorescence is the stubborn problem that has caused confusion and trouble for masonry since the first time it appeared thousands of years ago on ancient masonry walls. Efflorescence is normally the white, powdery scum that can appear on masonry walls after construction but can also be brown green or yellow, depending on the type of salts.
Efflorescence is a crystaline deposit on surfaces of masonry, stucco or concrete. It is whitish in appearÂ­ance, and is sometimes referred to as whiskers. Efflorescence has been a problem for many years, and is a topic of much controversy.he problem of efflorescence, or the deposit of water-soluble salts on the surfaces of masonry, stucco or concrete, is an old one, and one that has been studied and reported on as early as 1877.