Why Doen’T Pool Vacuum Suck Water? [Answered!]

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So you have spent a lot of money on a nice pool to enjoy during the hot summer months, and now the pool cleaner comes every few weeks to clean the pool and restore your sanity.

The vacuum attachment on the pool cleaner is usually made of rubber, plastic, or silicon and works by creating suction which draws water inside the pool through a small pipe along the edge. After a while, the pipe becomes mostly clogged with hair and debris making it hard for the vacuum to suck water in and clean the pool. This is when you should consider changing the vacuum cleaner’s bag, but if you don’t have the time or the money, then you should probably just let it go for now.

Is it worth upgrading to a high-end vacuum? Most definitely! Aside from the obvious fact that it will clean your pool more effectively, the quieter it is, the better. This means you will be able to enjoy your pool space without having to worry about being interrupted by noisy cleaners.

Let’s take a quick look at the main reasons why most pool vacuum cleaners get stuck with water:

Hangup Valve Leaks

A vacuum cleaner with a hangup valve is the simplest solution for drawing water into the pool. When the valve is open, the water is drawn inside the pool easily and efficiently. However, if the valve is slightly plugged or clogged, then there is no escape for the water and it will accumulate quickly. This is why most vacuum cleaners with a hangup valve eventually become completely submerged under water, or at least have major parts of it. The water then has nowhere to go but inside the clean tank. Thus, the cycle begins again.

Pipe Gets Clogged Easily

When the pipe gets clogged with debris, it is not only annoying, but it can also cause serious damage to the vacuum cleaner. This is because the suction created by the vacuum cleaner will decrease sharply, and eventually it will no longer work effectively. When this happens, you should either spend hundreds of dollars on a new vacuum cleaner, or remove the offending object by hand. The first option is always better, because you will be able to change the pipe’s O-ring to avoid any future clogs. This will also extend the life of your vacuum cleaner.

Not All Harmless

Many people get very upset when they see live animals in or near the vicinity of a swimming pool, especially if they are pets. While it is not uncommon for birds to fly into the pool and drown in it, it is definitely not a desirable situation for swimmers or those surrounding them. If you see animals around the pool area, then there is a good chance they belong to someone, and probably not to you. You should call your local animal control authority in order to keep an eye on things and make sure there are no problems.


Most people do not like being woken up in the middle of the night by a pool cleaner’s noisy operation. What is worse is if the noise disrupts their sleep and causes them to suffer from sleep deprivation. The vacuum cleaner makes quite a bit of noise while running, especially if it is a high-end model with a strong motor. If this is the case, then you should either put up with it or look for a different vacuum cleaner.

Fading Suction

Another thing that will annoy most swimmers is when the suction suddenly fades and they cannot tell why. When this happens, it is usually an indication that the vacuum cleaner has somehow become clogged, or at least partially blocked. This can happen if the swimmer dives into the pool with a piece of fruit in their mouth, for example. The problem will then be resolved by turning the vacuum cleaner off and on again, or by replacing a part in order to restore the normal suction. In some cases, this can even require an expert repair, especially if the blockage is deep inside the pipe or if it is a very old model which cannot be easily fixed.

A Good Place To Find Harmless Pleasures

Last but not least, we have the issue of water damage. Let’s say you have a pool table and you love to play pool there. If it were to be washed away by rain or left behind by mistake when you had to move, then this would be a pain. However, if you have a pool vacuum cleaner, then this would be a good thing. Since the pool vacuum cleaner will suck up all the water, you can clear the surface of any debris, including sticks, balls, and glasses which may become lodged in the cloth covering the pool table. A few swishes with the brush, and you will be able to restore order to the universe!

So like I said at the beginning, most pool vacuum cleaners get stuck with water for a number of reasons. First and foremost, it is very common for the water to accumulate slowly over time due to the fact that most pool vacuum cleaners do not have a ballcock or automatic shut-off valve. This usually leads to damage due to the fact that the water cannot be removed easily if it does start to accumulate. Aside from that, several other problems such as clogging, fading suction, and noisy operation all make the pool vacuum cleaner less than ideal. At the end of the day, most people will choose a pool with a built-in vacuum cleaner over one that needs to be cleaned with a separate device every few weeks.

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