Reasons why dirt might return to your pool through the jets during vacuuming or after backwashing include not rinsing after backwashing, a damaged spider gasket, damaged filter or the pool pump being too large for the filter.
Poor Filtration
If dirt is reappearing at the bottom of your swimming pool after you've vacuumed it your pool's filter may be working poorly. Pool filters often work poorly because they're in need of cleaning. If you have a sand filter for your pool you need to make sure that the sand is sharp and freshened up.
if dirt is escaping back into the pool, it could be because the filter is dirty and clogged, which means it needs to be backwashed. ... The pressure inside the filter builds up when it becomes clogged with too much dirt and debris from its normal operations.
Dirt and debris will be transferred through the vacuum plate and into the pump. It will then move through the sand filter. Depending on the chosen settings, the filter should capture the excess particles. Make sure to backwash your sand filter after you've finished vacuuming the pool.
Typically, with a sand filter, if you have dirt and debris returning into your pool via the jets, this is usually a sign of broken lateral's which will need to be replaced.
Q: I keep getting this fine black silt on the bottom of my pool, I've vacuumed it and hours later it's back again! A: We see this a lot during the season. This is caused by fine debris suspended in the water and much like dust in the air you don't see it until it settles on your furniture.
If you do have this option, it is highly recommended that whenever you have algae, you will need to vacuum to waste. This option allows you to vacuum the algae up and send it out through the backwash line, avoiding getting algae into your filter sand.
Excessive levels of pool chemicals can cause your water to become cloudy. High pH, high alkalinity, high chlorine or other sanitisers, and high calcium hardness are all common culprits.
Remember: vacuuming your pool regularly will help keep your pH balanced easier and more controlled. Skim your pool for debris, such as leaves, bugs, etc. and be sure to check your skimmer and empty that regularly as well.
These are likely caused by leaves, berries, algae, worms, dead animals, or other organic debris that will leave stains if allowed to settle on the pool surface. If they are not removed right away, they will sink down and begin to decay on your pool's floor. Fortunately, organic stains can be easy to remove.
Sand coming from the pool filter is the sign of a broken component in the filter. ... If you see it blowing out into the pool, something is broken. The most common problem is a cracked lateral, which is one of the perforated pipes at the bottom of the filter that catches water that has circulated through the sand.
The appearance of brown algae on the bottom of the pool is a sign of the beginning of an infestation of mustard algae. This is one of the most difficult types of algae to get rid of, and gets its name from its yellowish-brown color.
If there has been a serious invasion of excess dirt and debris, you may also need to shock your pool. Vacuuming is recognized as the only way to remove sediment from the bottom of a pool.
Rule out the obvious causes of poor vacuum first. Make sure the water level in the pool is sufficient and air is not being sucked in through skimmer inlets. Add water to the pool to submerge the skimmers if necessary. Verify that the pump strainer basket and the skimmers are free of debris that may obstruct water flow.
Verify that the vacuum hose is firmly inserted into the inlet port at the skimmer; then inspect the hose for cracks or holes. The skimmer filter is dirty. Pull out the filter basket and check for debris that may be interfering with water flow to the pool pump. Air is getting into the pump through the pump cover.
Most pools need to run around 6 to 8 hours per day to complete a single sanitization cycle of the water. While this is adequate, running the pump for a longer period will filter out any dirt that's floating around before it has a chance to settle at the bottom of the pool. Think of it like a cup of coffee.
If the stains are brown-black, and can be found on the sides of the pool as well, it would indicate a metal issue – most often iron or copper buildup. Metal can be introduced into your pool water from corroded copper pipes in your plumbing system or rusted pool equipment.
In general, it's a good idea to vacuum your pool once a week. You should also vacuum your swimming pool any time you notice large amounts of debris, dirt, or leaves on the floor of the pool (for example, your pool may need vacuuming after a heavy storm).