There are 6 names in this directory beginning with the letter L.
Langelier Saturation Index
A formula developed by Dr. W.F. Langelier to determine the scale forming or corrosive tendencies of water.
Leaf Rack or Scoop
Similar to a surface skimmer but has a bag for picking up leaves.
Powered by a garden hose; not the pool's vacuum system. Debris is swirled into a nylon bag atop the leaf vacuum.
See Muriatic Acid.
Liquid Chlorine (Bleach)
Sodium Hypochlorite solutions added to water as a disinfectant. Characteristics include very low levels of available chlorine (12-15%), high contribution to Total Dissolved Solids, and inconvenient to handle and apply. Should not be confused with Clorox.
A granular form of chlorine used in pools and spas. It is known for its tendency to dissolve quickly with 35% available chlorine.