The biggest reason is simply that they typically do not live up to pool owners expectations of 100 light refraction on the surface of the water and a jet black pool.
Dark vs light pool liner.
Now one other thing to consider is how the bottom of a pool shows dirt.
The only time a thicker liner may be necessary is if the floor of the pool is very rough.
So picking a perfect pattern involves balancing different factors.
In fact a pool can look different at different times of the day or under a cloudy vs a bright sky.
It does add some some sparkle life depth compared to the lighter liner.
Gray produces a dark blue water color in sunlight sandy or tan makes for a mild green color and white produces clear light blues.
The science behind water color.
The same liner in one pool can look completely different in another pool.
Darker liners will also make it more difficult to see debris and dirt in your pool.
Deep blue a darker liner is more likely to absorb sunlight and therefore can help to warm your pool water.
A dark pool liner may convey or give the feeling of deeper water as in a lake or ocean.
Compared to the light pool liner we like the darker liner for several reasons.
Pool liner replacement contractors tend to shy away from black pool liners in general.
This isn t a problem with tara liners though.
A light pool liner is going to give a light airy feel kind of like a beach or tropical vibe.
The three most common pool plaster colors are gray tan and white.
Pure white light contains all colors in the visible spectrum.
It is the best thickness for fit flexibility and strength.
We have been fabricating liners for over 35 years and we have found that the perfect thickness for a pool liner is 20 mil.
But as liners become darker they are more inclined to fade over time due to uv damage and chlorine.