You should cover your pool every night for several reasons. First off, a pool cover saves energy and conserves water by decreasing the amount of make-up water. Also, it reduces the consumption of chemicals, and finally, it saves a lot of cleaning time since it keeps the debris out of the pool.
Using a pool cover overnight can reduce evaporation. Plus, the cover will trap accumulated moisture, and it'll naturally go back into your pool. You'll be rewarded with a more consistent water level and maybe even a lower water bill.
Covering a heated swimming pool at night will reduce heat loss. That means warmer water, which is what anyone who has ever gone swimming in a chilly pool can tell you is very important.
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.
Reduce chemical consumption by reducing water evaporation. The less you water you need to add, the fewer chemicals you will need to add. Save time on maintenance by allowing less debris in the pool and, therefore, less vacuuming. Reduce the energy costs of heating the pool water, since most pool covers retain heat.
So while a solar cover won't actually 'turn your pool green', it will warm your water by up to 8 degrees, so if the other conditions are right, adding a solar cover can easily accelerate algae growth, very rapidly. You need to get the water balance in your pool right before putting the cover back on.
Insulating the Pool Water from Heat Loss
Air bubbles in the pool cover act as an insulator in a similar way that your thermos would keep water warm. A pool cover will, therefore, keep your pool water warmer for longer.
Evaporation occurs year-round, but your pool loses water at a faster rate in summer due to the extra heat. A pool cover will block excess heat from reaching the water and also trap moisture, so it doesn't evaporate into the air. This can help reduce your water bill as you won't have to refill your pool as often.
When preparing your pool for a storm, leave it uncovered. Installing any kind of cover across the pool will not do much to protect against dust and contaminants because storms often bring strong winds and heavy rain that can cause the cover to lift off your pool.
Keep Water off the Top of your Solar Pool Blanket
The water on top of your solar pool cover will evaporate and pull the heat through the blanket and actually cool the pool. Thus after it has rained, you need to roll up the solar pool blanked and drain the rain water off.
If your pool pump manufacturer has declared your pump is rain safe, you can leave it on in rainfall. Nevertheless, during a thunderstorm, it is highly recommended that you switch off and unplug your pool pump to prevent any costly and irreversible damages to your pool equipment.
Water accumulation can damage pool covers
Even the smallest amounts of water can add up, putting pressure on the seams of the cover and starting to weaken it. This pressure can cause rips in your pool cover and even make the cover collapse into the pool.
You should cover your pool every night for several reasons. First off, a pool cover saves energy and conserves water by decreasing the amount of make-up water. Also, it reduces the consumption of chemicals, and finally, it saves a lot of cleaning time since it keeps the debris out of the pool.
Always remove the cover during times of extreme heat.
Removing the cover frequently also allows sunlight to burn out unwanted chloramines from the water.
In high summer it may be necessary to remove the pool cover (particularly at night when the air temperature drops) for the pool water to cool naturally. The cover should not be continually left on for more than 7 days continuously. Pool covers are very effective at reducing chemical usage.
The size of your pool, the efficiency of your pump and filter, and how dirty your pool is are just some of the factors you need to consider. Nevertheless, most pool cleaning professionals would advise against running a pool pump for more than 8 hours a day.
A pool that is uncovered can lose up to 5 degrees F overnight; a good cover can cut that loss by half. Used at night or whenever your pool is not in use, the pool cover can help save fuel costs by cutting heat loss regardless of the type of heating you utilize.
The rule of thumb is generally 8 hours, although it could be anywhere from 6-12 hours, depending on your pool's size. Each pool is unique, so to keep your pool pump efficient and effective, you need to figure out exactly what your pool's turnover rate is.
Never close the cover immediately after shocking the pool. It is recommended to wait several hours before closing the cover. Use a test kit to regularly test the pool water. If the tests results are good, this does not imply the water chemistry was good prior to your current test results.
Keep your pool temperature lower
As I previously mentioned in my list of pool care essentials, having a thermometer to track your pool temperature is important because algae loves to grow in hotter temperatures––generally 85 degrees or above.
While covered throughout winter, water is sure to build up on the pool cover. This is when a cover pump is essential to keeping water off the cover. Automatic pumps can be left on the cover. But Aqua Pools recommends removing the pump, including the hose, and bringing it inside during freezing weather.
The pool will only overflow by the amount of rain in excess of the amount of rain needed to fill the pool to the top. So if your pool is the normal 3” below the top, the rain would need to exceed 3” before any additional rain would be available to overflow onto the deck.
Remember, rain is acidic. Hence, pool overflowing from rain causes the Alkalinity and pH levels to lower. Very low pH causes pool water to turn very clear and acidic, which destroys your pool surface and equipment.