BigXwell Solar Pool Cover 12Mil 20x40 ft Rectangle - Solar Blanket

Our review of the BigXwell Solar Pool Cover finds it best for pool owners who want a simple, low-cost way to extend swim time by keeping water warmer and cutting evaporation. The cover's 12 mil thickness and thousands of thermal bubbles are the single biggest reason to buy: they trap solar heat effectively in full sun and help hold temperature on cloudy days or chilly nights. It is straightforward to trim to fit irregular pools and is light enough for one or two people to handle when installing or removing.

Key Features

• 12 mil thickness: Provides substantial insulation to retain warmth so pools heat faster under direct sunlight and stay warmer after sunset.
• Thermal bubble design: Thousands of bubbles trap solar energy and reduce heat loss, delivering measurable temperature retention during use.
• Evaporation reduction: Cuts water evaporation by up to 95 percent, which helps preserve pool water level and reduces refill frequency.
• Trim-to-fit PE material: Durable yet easily trimmed with scissors to fit both above-ground and inground pools of varied shapes.
• Lightweight and manageable: Easy to install and remove by one or two people, making seasonal or daily use practical.

Who It's For

The BigXwell cover is ideal for homeowners with modest budgets who want to raise and maintain pool temperature without installing complex heating systems. It suits both above-ground and inground pools where a flexible, cut-to-fit blanket is preferred over a rigid cover.

It may be less suitable for those seeking a decorative or automatic cover system, or for pools in locations with very little sun exposure where active heating is required. Users who need a cover that anchors or locks for storm protection should look at specialized fitted covers instead.

Pros & Cons

Pros

• Effective heat retention thanks to 12 mil thickness and thermal bubbles.
• Significantly reduces water evaporation, saving on refills and water loss.
• Durable PE material that customers report lasts longer than previous covers.
• Easy to cut and fits a wide range of pool shapes; lightweight to handle.

Cons

• Not a fitted or locking cover, so it will not replace safety covers or eliminate need for manual handling.

Specifications

Product type	Solar pool cover / solar blanket
Thickness	12 mil
Size	20 x 40 ft rectangle
Material	PE with thermal bubbles
Suitable for	Above-ground and inground pools
Main benefits	Heat retention and evaporation reduction

Our Verdict

The BigXwell Solar Pool Cover is a practical, cost-effective choice for pool owners who want better heat retention and dramatic evaporation savings without a complicated setup. It performs well in sun-exposed locations, is easy to trim and handle, and represents good value for those who need a flexible solar blanket rather than a fitted safety cover.

Frequently Asked Questions

Can the cover be trimmed to fit my pool?
Yes. The PE material is durable but can be cut with scissors to match irregular pool shapes.

Will this cover prevent leaves and debris?
It helps block falling leaves and light debris but is not a substitute for a fine debris or safety cover.

How much evaporation does it stop?
The cover is designed to reduce pool water evaporation by about 95 percent when in place.