Astra Ultra Low Size:3.8x10.58x0.60 m Bathing water should have a

Bathing water should have a pH in the range of 7

It also serves very well for the removal of the so-called "water line"

When dissolved in water will be a sharp increase in the concentration of chlorine that destroys most common species of algae

discoloration of the material in the pool

Astra Ultra Low Size:3.8x10.58x0.60 m Bathing water should have aCustom roofing allows you to choose the size, color and design according to your wishes. In addition to the type of rails and extensions for possible removal behind the pool, it is also optional: the location and design of the entrance door, raising the lower edges of the front and rear face and many other individual adjustments. The standard "modular" length of the segments is 2. 18 m, so, for example, a roof with four segments (arches) of standard