Swimming Pool Skimmer What Are The Advantages And Disadvantages Of SKIMMER Vs OVERFLOW Type Swimming Pool.?

What are the advantages and disadvantages of SKIMMER Vs OVERFLOW type swimming pool.? - swimming pool skimmer

Foam benefits: less expensive than the overflow
Drawbacks: in the pool is possible to form a black line near the water level.

Advantages: the mirror effect, the effect of "expand" the size of the pool.
The water quality is higher than the skimmer Type: dirty water on the surface and it is important to clean the whole time.
Disadvantages: more expensive than the skimmer