Best Liquid Solar Pool Covers In April 2025

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Check out our product review of the Best Liquid Solar Pool Covers. We tried 10 models and can tell you the absolute best varieties.

To help you in your search, we have completed this list of the Best Liquid Solar Pool Covers.

Top Rated Best Liquid Solar Pool Covers Of 2025

Rank	Product Name	Score
1	SunHeater Shield, 32 oz. Bottle – Liquid Solar Blanket, Non-Toxic and Safe Buy Now	9.7 Buy Now
2	Pool Basics 2706PB Heat Trapper Pool Solar Blanket In A Bottle Liquid Solar Buy Now	9.5 Buy Now
3	2) Natural Chemistry 07100 Spa Swimming Pool COVERfree Barrier Layer - 32oz Each Buy Now	9.1 Buy Now
4	Heatsavr Liquid Cover (2 Pack) Buy Now	8.8 Buy Now
5	Natural Chemistry 20711 Pro Series Liquid Cover, 1 Gallon Buy Now	8.6 Buy Now
6	Intex Solar Cover for 15ft Diameter Easy Set and Frame Pools Buy Now	8.3 Buy Now
7	TROPICAL FISH LIQUID SOLAR BLANKET LiquidHeat: in a Bottle - 3PK Buy Now	8.1 Buy Now
8	Pool Cleaner Replacement Parts SolarPill Liquid Ball Solar Blanket Cover for Pools up Buy Now	7.8 Buy Now
9	SmartPool SunHeater Solar Blanket Liquid HeatShield SHS32 Solar Blanket in a Bottle Buy Now	7.5 Buy Now
10	Aquapill Solar Pill Liquid Solar Blanket for 12,000 gallons Pools - 4 Pack Buy Now	7.2 Buy Now

1. SunHeater Shield, 32 oz. Bottle – Liquid Solar Blanket, Non-Toxic and Safe

• Saves chemicals not only does this liquid solar blanket for pools retain heat, but the reduced evaporation also helps reduce chemical loss.
• Easy to use simply add the amount designated for your pool using the easy-to-read markings on the bottle. use just 4 oz for every 20,000 gallons of water.
• Liquid heat shield sunheater liquid heat shield helps your pool retain heat by forming an ultra-thin, invisible barrier on top of your pool water that reduces evaporation, the main cause of pool water heat loss.
• Extends swimming season sunheater liquid heat shield is better than a solar blanket! theres no messing around with cumbersome blankets and reels, but it can still extend your pool season by keeping the water warmer for longer.
• Safe for swimmers the non-toxic, odor-free formula is 100% safe for both swimmers and pool equipment.

2. Pool Basics 2706PB Heat Trapper Pool Solar Blanket In A Bottle Liquid Solar

• 4 oz. per 15, 000 every 2 weeks
• Conserves water, energy & pool chemicals
• Extends swimming season
• Helps prevent heat loss & minimizes evaporation

3. 2) Natural Chemistry 07100 Spa Swimming Pool COVERfree Barrier Layer - 32oz Each

• Invisible barrier that conserves water and heating energy
• Most advanced mono-layer technology
• Helps conserve hundreds of gallons of pool water
• 32oz each
• 2 new natural chemistry coverfree

4. Heatsavr Liquid Cover (2 Pack)

• Non-toxic and undetectable by swimmers
• Retains heat in your swimming pool otherwise lost due to evaporation
• 32 once bottle
• Will not affect other swimming pool chemicals or your filter
• Creates a "liquid solar cover" on the water greatly enhancing heat retention

5. Natural Chemistry 20711 Pro Series Liquid Cover, 1 Gallon

• Helps conserve hundreds of gallons of pool water
• Invisible barrier that conserves water and heating energy
• Excellent surface tension helps product remain in place

6. Intex Solar Cover for 15ft Diameter Easy Set and Frame Pools

• Canadian pmra registered (#24583)
• Includes carry bag for storage when not in use
• Reduces evaporation by 95 percent, retains heat
• Solar-heat-retaining cover for 15-foot round pools
• Fits just inside edge of pool and floats in place

7. TROPICAL FISH LIQUID SOLAR BLANKET LiquidHeat: in a Bottle - 3PK

• Saves water : reduces water evaporation by up to 50%
• Warmer pool : evaporation accounts for 90% of heat loss from a pool. by reducing evaporation, liquidheat helps your pool to stay warmer.
• Easy to use : once a day pour the required amount of liquidheat into the pool, no cumbersome bubble blanket to remove.
• Any shape any size : liquidheat automatically spreads out over the surface to cover any shaped pool. for heated pools, liquidheat helps retain heat in the pool thus averaging a 15% to 40% savings in energy costs.
• Swimmer and pool safe : liquidheat is totally harmless to all swimmers and harmless to pets drinking from the pool surface. it will not effect the chemical balance (ph, chlorine, alkalinity) of the pool. it will not effect the plumbing or filtration and will not damage vinyl liners or any other type of pool surface in any way.

8. Pool Cleaner Replacement Parts SolarPill Liquid Ball Solar Blanket Cover for Pools up

• This thermally insulating liquid blanket slowly releases into your filtration system and forms a harmless, invisible barrier on the surface of your pool water to reduce heat and chemical loss by preventing water evaporation
• The solarpill is an innovative little product that packs a big punch
• Part number:ap72
• The advantage of this liquid solar blanket is that it is always working, even with swimmers in the water
• Solarpill liquid ball solar blanket cover for pools up to 30,000 gallons

9. SmartPool SunHeater Solar Blanket Liquid HeatShield SHS32 Solar Blanket in a Bottle

• Reduces water, heat and chemical loss due to pool water evaporation
• Extends your swimming season, 100% safe for your family!
• Easy-pour bottle with volume marks
• Made in usa
• Use just 4 oz for every 20,000 gallons

10. Aquapill Solar Pill Liquid Solar Blanket for 12,000 gallons Pools - 4 Pack

• Once the aquapill is empty, simply remove from your skimmer.
• Simply pop out the pre-marked hole on the aquapill and place in your skimmer!
• The liquid solar cover rises to the surface of the pool, forming an invisible layer on the surface.
• Will not damage the vinyl or any other pool surfaces and is absolutely harmless to skin contact.
• Each pill lasts approximately 30 days.