Skimming & Debris /
How to Keep Leaves From Sinking to the Pool Floor
Stop leaves before they waterlog by skimming early, improving circulation, using a pool cover, and keeping skimmer baskets clear and equipment maintained.
Archive date: this article was written for PoolSkimmer on Oct 7, 2026 and given the earlier archive date of Mar 30, 2026 so the blog reads as an organized archive. It was not published on that date.
The Reason Leaves Sink
It is not unusual for leaves to make their way to the bottom of a pool. They may be floating at first, but once they are torn up, have taken on water, or are left in a still part of the pool, they will sink. Wind and poor circulation from nearby trees can drive debris down where it is difficult to get out and has a tendency to leave stains.
The smartest course of action for a pool owner is to limit the time leaves spend on the surface and ensure they head for the skimmer rather than the floor.
Be Diligent with Skimming
There is no easier way to prevent leaves from sinking than to remove them quickly.
- Make a habit of skimming every day when there is a lot of leaf drop.
- After a storm or a windy spell, give the pool a once over.
- For bigger piles of floating matter, put in a leaf rake or net.
- Do not forget to empty the skimmer basket on a regular basis. Just be sure to shut off the pump before you open the lid or access the basket.
Letting leaves sit will only waterlog them; once they are on the bottom, they are a nuisance to clean up and will cloud the water.
Better Circulation and Filtration
Proper flow is what keeps leaves and other detritus from finding a dead spot to settle in. A pool with clogged baskets or jets that are not well aimed is inviting debris to drift down. To avoid this:
- Set your return jets so there is some gentle movement at the surface.
- See that the skimmer openings are unobstructed.
- Operate the pump in line with the manual and your usual schedule.
- Give the corners, ladders and steps a brush to dislodge any leaves.
Put Up a Barrier
Why not keep the leaves from entering the pool in the first place? A cover or a fine mesh leaf net (where your setup permits) is an effective shield, particularly in the fall or when the pool is not being used. It also pays to trim back overhanging branches if it is safe to do so and to check your deck drains and gutters so they are not washing extra material into the pool. If you have oak trees around, these measures will cut down on your weekly work considerably.
Don’t Let Debris Settle
When leaves do sink, they should be vacuumed or netted right away to avoid staining. Start with what is floating, then move to the floor. Use your vacuum as the manual instructs and brush areas where leaves like to congregate so they do not break down in place. Filters and baskets should be cleaned per the manufacturer’s timetable.
Safety is paramount. Never put hands near an active drain or intake, and stay clear of operating suction equipment. Appropriate PPE is advised when dealing with wet debris or treated water.
Pitfalls to Avoid
Some habits will only compound the issue:
- Putting off skimming until the leaves have already sunk.
- Allowing the skimmer to clog.
- Tolerating weak circulation for too long.
- Overlooking seed pods or seasonal leaf fall.
- Employing tools that are too rough and shatter the leaves into smaller pieces.
And if the water is cloudy, looks dirty or you have any concerns about electrical safety, swimming is not advisable.
Call in a Pro
If you are finding that the pool is hard to keep clean, or that leaves continue to sink despite regular skimming, it may be time to bring in a qualified professional. The same goes if you think there is an issue with the filtration or pump, or if you cannot tell if the system is performing as it should. An expert can spot dead zones and inspect the gear so you do not have to rely on guesswork.
A Workable Routine
For the homeowner, an effective regimen need not be complicated:
- Get the floating leaves out before they waterlog.
- Turn off the pump and clear the skimmer.
- Ensure steady filtration and circulation.
- Rely on a cover or net in heavy leaf season.
- Vacuum and brush proactively.
Stay on top of your maintenance and you will find the pool stays cleaner with less staining and fewer leaves on the bottom.