Sounds like you have been using too much acid. The pool surface is not the only place that is degrading. Every surface the water had come in contact with is damaged - especially the pool heater. The water is or has been extremely acidic. Good luck here.
The surface will appear white.
Yes. You can have your lower ribs removed to make your waist appear smaller
Not on a proper black surface (if one existed).
Appear, surface, arise.
Surface is a synonym for to appear. It begins with the letter S.
how a satellite can appear to be stationary above the earth´s surface how a satellite can appear to be stationary above the earth´s surface
Molten substances that appear at the surface of the Earth include lava, which is molten rock that flows out of volcanoes during eruptions, and magma, which is molten rock beneath the Earth's surface. These molten substances can solidify into igneous rock as they cool.
Sunspots
After being soaked in ethanol, a leaf may appear discolored or faded with a translucent appearance. The waxy cuticle coating on the leaf surface may have been removed, giving the leaf a more pliable texture.
Sunspots appear because of the magnetic fields, they appear black because they're slightly cooler than the surface of the rest of star.
air
This phenomenon is due to the refraction of light as it travels from air to water. When light passes through the surface at an angle, it changes speed and direction, causing the straw to appear broken or split at the water's surface.