Led lighnts decorating pool

Underwater lighting is one of the best applications of fiber optic lighting technology where the use of conventional LEDs is impossible or extremely complex and costly.

How are the sand filters work?

Vinapool  recommends sand changes in your filter every two to three years. While non-technical sand "worsens" the particles being eroded and losing the ability to trap dirt and debris. Chemical ...

Flowchart of pool filtration technology - skimmer

 Used for swimming pool with surface area up to 250 m2. No need to use balancing tank.

Flowchart of swimming pool filtration system - overflow

Use manual drain overflow :

        Used for swimming pool with large surface area from 250 - 300 m2. A balanced tank should be used to regulate water balance

Swimming pool test

1 / Clor test with DPD # 1 reagent

Pour water into the test tube as small as the horizontal line
Put 1 DPD into the tube