How To Drain And Clean A Swimming Pool

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How To Drain And Clean A Swimming Pool
How To Drain And Clean A Swimming Pool

How To Drain and Clean A Swimming Pool: Hey, pool owners.
In this article, we’re going to show you how to drain and clean your swimming pool.

In a previous article, we showed you how to clean a green pool by bringing the chlorine up to shock level and continuously cleaning the filter until all the algae were removed.

In this video we will drain all the water from the pool do a chlorine wash on the walls refill and balance the water chemistry.

Let’s go ahead and get started.

Okay. A couple of things to consider before you drain a pool is you probably don’t want to do it.

if you’ve had a lot of rain ,because the water table could be high.

What that means is if you have a shell of a pool sitting empty and the water table is high underneath it.

It could potentially pop the shell out of the ground.

We’ve seen that happen in Florida from time to time.

Another thing you want to keep in mind is when you’re draining it you want to drain the water far away from the pool.

How To Drain And Clean A Swimming Pool

You don’t want to just drain it right next to the pool, because then you could be dumping 20,000 gallons of water right next to the pool, and that could again, go underneath the pool and cause some problems.

Those are the things you want to keep in mind before you drain.

All right, to drain this pool we’re going to be using a sump pump.

Sump pumps are really easy to use.

Basically, you plug them in.

You connect a hose to them and you drop it in the water and it drains the pool.

If you don’t have a sump pump and you have a sand or DE filter, those are easy to use your existing pool pump to drain the pool.

What you want to do is you put the backwash valve in the drain position and turn on your pool pump and make sure you’re only
pulling water from the main drain.

That way, you’re not pulling water from the skimmer or pulling air from the skimmer once it drains below the skimmer.

Let’s go ahead and continue.

All right, so to set up the sump pump you can get a hose fitting thread it in there.

Then we’ve got a backwash hose that will slip over the fitting.

We got this metal clamp and we’ll tighten that down.

All right, we’re just going to roll the hose out to the far corner of the yard where it’s downhill.

All right, we’re going to start by dropping the sump pump into the shallow end.

The cord isn’t that long and you don’t want the end of it to be in the water so as it rains we’re going to move it to deeper water.

We’re going to go ahead and drop it in.

As you can see, most of the pool water has been drained out just down to a couple of inches.

We’re going to remove the drain cover and remove the plug that’s underneath the drain cover.

That’s basically to prevent the shell from popping out if there was any pressure underneath that water would bubble up
through the main drain.

All right.

We’re using a clean-out plug wrench right now.

It has a connection for inch and a half or two-inch plugs.

I’m just going to remove that plug from the bottom drain.

This was the plug that was underneath the main drain cover.

We removed that so if there’s any pressure underneath any water if I have a high water table the water’s going to come up through that main drain.

We’re going to start with just a regular garden hose just spraying some of the larger debris down to the bottom of the pool so we can pump it out.

You can use a regular nylon deck brush to get the more stubborn spots.

Again, it’s going to be easier if the surface is a little wet.

Everything that we’ve pressure washed and brushed is piled up near the main drain.

We’re going to use the sump pump and suck it up out of here.

We’re down the last bit of water and what we have to do is keep diluting it and pumping it out because just the water level’s not high enough for the sump up to grab it, so we’re just pumping it out and diluting it with the freshwater until we get all the green algae out.

Once you’ve pressure washed the pool surface and removed the algae filled water,it’s time to do a chlorine wash on the pool walls.

Before getting started you’ll want to reinstall the main drain cover.

Next, prepare the walls by wetting them down with a garden hose.

When applying chlorine to the walls you want to do it from outside of the pool pouring it down the walls as evenly as possible to avoid streaking.

The reason for pouring from outside of the pool is to avoid tracking chlorine onto the deck and creating unwanted stains.

Most algae should be killed off in a matter of minutes after pouring chlorine on the walls.

Continue to pour around the entire perimeter of the pool.

Let the chlorine sit for about 30 minutes, before washing all the pool surfaces off with fresh water.

You can now proceed to fill the pool back up with water.

While the pool is filling up it’s a good idea to proudly start with a fresh filter.

This particular equipment pad has a cartridge filter.

We are going replace the cartridge.

If you have a sand or DE filter you might want to change the sand or replace the DE grids, because chances are the inside of these filters.

If you had a swamp, it’s going to be pretty nasty.

You’d want to start with a fresh filter.

We’re going to turn the pump on and we got the air bleed open and we’re going to leave it open until water starts to spray out.

Once the pool is filled up and the pump is running, you’ll want to test and adjust the chemicals to avoid your pool from turning green again.

The six main readings you’ll want to check for are free chlorine total chlorine, pH, cyanuric acid alkalinity and calcium hardness.

As you can see we’re done with the drain and clean.

The owner says it hasn’t looked this good in 10 years, so we’re pretty happy with the job.

The whole process took us four days.

The first day, we drained it we pressure washed it.

The second day we came back and we did the chlorine wash on the sides and the bottom.

Then the last two days, it was just filling up.

It’s all ready to go, and looks good to swim in.

If you have any questions about this particular job or anything else pool-related leave a comment .


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