Why is boron required? Boron is present in NSW (Natural Sea Water) in a moderately low concentration (4.4 - 4.8 mg/L or ppm). It is present predominantly as boric acid and to a lesser extent as borate. It has several important...
Sunlight Supply Shield Size: 35 Inch 4-lamp Dimensions: 34.75" x 7.875" x .118"
The ring controls shape and size of the fan-shaped flat stream outlet on the Pulser and the Rotating/Pulser. Three selectable options:
4 discreet holes in a fan shape
A narrow slot
A wide slot