liquid solar cover
Sarah Parker
Updated on August 09, 2026
Yes, liquid solar covers actually work and quite well. While they don’t attract the sun’s heat to your pool water, they help reduce water evaporation at night to keep the heat in your water.
How long does liquid pool cover last?
On average, you should get around 2 months of use from a single bottle of liquid cover. This is based on a 32 oz. bottle, and using 4 oz. per week with a 20,000 gallon pool.
How often do you add liquid solar cover?
Create a schedule to add more liquid pool cover, at least one time a month. Keep and sticking to a schedule will make sure that the liquid pool cover is effective.
How long does a solar cover last?
Over time, your solar cover will slowly deteriorate. You will need to replace your solar cover when it begins to flake and when bubbles begin to fall off of it. Most solar covers last for up to three years, though many people replace them more frequently.
How can I heat my pool for free?
How to heat a swimming pool for free?
Using a black hose to keep your pool warm. Solar Cover. Heating your pool with solar panels. The benefits of solar panels as pool water heaters. Using dome – shaped connectors to heat your pool. Solar ring heaters for pools. Heat pool water with a floating blanket.
Can I put chemicals in pool with solar cover on?
High Chlorine: Solar covers should never be used after shocking or super-chlorinating the pool. Leave a solar cover safely stored in the shade whenever chlorine level is higher than 2.5 ppm. Low pH: Solar covers will also degrade in acidic pH levels, when pH falls below neutral 7.0.
How good is a liquid pool cover?
For heat retention – while not as effective as a bubble-type solar pool cover, liquid pool covers do provide a measure of heat retention and heat gain. While a couple of degrees doesn’t sound like much, it can be the difference between a chilly pool and a comfortable pool!
Should you leave a pool cover on during the day?
In dry and/or windy conditions, the evaporation rate of the pool increases. Therefore, it is generally beneficial to have a transparent or bubble cover on during daylight hours. In warm, humid conditions the evaporation rate decreases. In this case, it may be more beneficial to leave the cover off during the daytime.
What’s the black hose trick?
This black hose trick uses solar energy in a simple but clever way to heat the pool. Purchase a black garden hose. Unravel the hose and connect it to the water tap outside your house. Then run the hose to a spot that gets direct sunlight, and wrap the house in coil formation in the direct sunlight.
Are pool solar covers worth it?
The short answer is yes. It has been scientifically proven by at least 3 studies that solar blankets help to warm swimming pools. They also help to retain pool heat at night, help to reduce humidity and help to save on energy costs.
How fast does a solar cover heat a pool?
How fast a solar pool cover will heat your pool depends on various factors, including what type of solar cover you have and weather conditions. Due to this, it’s hard to boil it all down to a single answer. However, on average, you can expect a solar pool cover to heat your pool by up to 5 degrees in 12 hours.
Does a pool cover prevent evaporation?
Pool covers can be used on indoor and outdoor pools, as well as in-ground and above-ground pools, of almost any size or shape. Using a pool cover can prevent up to 95 percent of pool water evaporation.
Can solar cover cause algae?
Actually, any water that gets caught on top of the cover would be subject to algae growth since it can’t circulate and is exposed to plenty of sunlight to consume the chlorine in it.
Why are solar covers blue?
Blue solar pool covers collect heat into the tiny bubbles, then send it into the water. They hold UV rays more effectively then clear covers because the blue color absorbs more light than the colorless covers (1).
What type of solar pool cover is best?
BEST OVERALL: Sun2Solar Clear Rectangle Solar Cover. RUNNER UP: Blue Wave 12-mil Solar Blanket. BEST BANG FOR THE BUCK: Intex Recreation Solar Cover. BEST FOR ROUND POOLS: Sun2Solar Blue 16-Foot Round Solar Cover.
Do black garbage bags warm up a pool?
You know those black trash bags? They can hold heat too. Fix one up to a hula hoop and if you want, cut one side of a pool noodle to add buoyancy and you’ve got yourself a super cheap pool heater.
Will a black tarp heat a pool?
If you’re in a hurry to get the pool heated and don’t have time to order anything, buying a black tarp is an easy way to heat your pool. Black tarps are also good for people who live somewhere with cold winters because they retain more heat than any other type of material that’s commonly used as DIY pool covering.
Do solar rings work to heat pool?
The 10 rings covered about 80% – 90% of the pool and did exactly as they said. They reduced the evaporation substantially and warmed up the pool nicely. Because the temperature here is not super hot they did not make the pool too warm but just comfortable, and certainly better than no cover.