Is a shop-vac adequate for discarding the greenish water on top of the pool cover?


Use a siphon. Get decent garden hose (that won't collapse if you draw a mild vacuum) and that's flexible enough to stay in the bottom of the pool area.

Run it from the center of the "puddle" to a point a couple feet below it in altitude, e.g. That storm drain.

From this bottom point, prime the siphon by sucking all the air out of the the garden hose. At this point, water will siphon continuously until the puddle is drained or the high end of the hose goes above water.

Once air gets into it, you'll hear a slurping sound, which means you lost the prime. Fix why that happened, and re-prime.

A shop-vac is an excellent way to suck on it. If you did it with your mouth, you'd be tempted to raise it up to your face, and that end must be below the intake end.

The greater the height differential, the faster the flow. The higher the peak is from the inlet, the more difficult it will be to...

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"Shocking" a pool that has turned green is better known in the industry as "super-chlorination." When shocking the pool, consider a few factors. How big or small is the pool? How "green" is it? If your pool is a normal residential-sized pool (13,000 - 25,000 gallons; the pool pictured at the top of the article is around 18,000 gallons), then let's consider these options: liquid chlorine, or granular shock. The choice depends on what type of filter it has.

Always run the pump when shocking the pool and allow it to circulate for 24 hours. The water should then be a blue or cloudy blue color.

Shocking alone does not clear up a green or cloudy pool. This is what a filter is for. If the pool is filtered properly, you won't need a clarifier solution. In some cases a can be used, a product called "drop out" or "drop and vac" that will bind small particles together and sink all of the algae to the bottom of the pool where it can be vacuumed up as waste.

Test the water...

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NO NO A LITTLE BIT of algae isn't going to hurt you. If you ever swim in a lake, river or ocean, there's algae present there. You probably even carry the algae home on your sw

…imsuit. But the pool needs to be treated as soon as you notice it, since a pool doesn't have the properties of moving natural water to keep the algae under control. It's an ongoing battle to keep enough chlorine in the water to avoid algae, while not putting to much chlorine. The EPA states the limit of chlorine exposure to humans should be no more than 4 parts per million. So don't just dump load and loads of chlorine in to solve your problem. A retail pool store can test your water and advise how much chlorine and/or algaecide is needed to get rid of it. You may need to get the chlorine up to 5 ppm to kill the algae. Just wait until the level drops below 4 ppm before you swim again....
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Taking care of your pool doesn’t end when you put the cover on. It’s important to continue caring for your pool during the off-season (fall, winter, and early spring) to ensure a successful and clean opening.

I asked 10 pool care professionals from around the country to give their best tips for off season pool care, and here’s what they had to say:

1. Add a Mid-Winter Algaecide

Use an algaecide or algaestat (preventative) and particularly one that stays in the water for a length of time.

On the last day of operation, add this to the water and run the pump for 24 hours to fully circulate. Then shut down the circulation system for the winter.

We have a product called FROG BAM that works on preventing algae for 90 days which is a big chunk of the off season. By keeping the green stuff away as long as possible, pool start up is so much easier.

Lynn Nord, King Technology

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Ideally, swimming pools are meant to be crystal clear and ready for a refreshing swim any time of the day or night, but bodies of non-moving water tend to collect bacteria and algae which grow over time and can change the color of your pool. A green pool is a dirty pool and the level of effort put into keeping it clean depends on how long the buildup has been allowed to progress.

Improper pH Balance

Chlorine is a chemical added to swimming pools to kill bacteria that can build up over time and lead to a discoloration of the water. Green water is most often a sign of algae, not necessarily bacteria, but different pools have different bacteria that can affect the water. If the pH balance of the water isn’t in the right place, it will allow bacteria to flourish, leading to further discoloration. If the pH level is too low, the water is acidic and over time, it will erode plastic and metal components. A pH level that is too high will not kill bacteria and will allow...

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by BJ
(Clear Up A Green Pool eBook)

I have green swimming pool water in my above ground pool (5600 gal). I am assuming it is pool algae, as we had the same thing last year. I cannot get rid of it and do not have a vacuum either.

Is it necessary?

I have put shock n' swim in, algaecide, clarifier, super shocked it, chlorine tablets, swept the bottom as good as I could to stir up the water to help the filter do its job and flushed the filter out numerous times (full of algae).

What else can I do? The pool chlorine level seems to be almost non existent, which I don't understand as all the shocks I've given it the past 2 days.


Thanks for your question

It does sound like you have an issue with green pool water, but don't worry or panic. You can take care of it, kill the algae, and have a great looking and safe swimming pool.

First of all you need to understand that the pool...

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There are many ways to winterize a pool, varying both by how far North/South you are and by personal preference. This is what I do for my in ground vinyl liner pool in Maryland.

Prep - Double check that the winter cover is still in good shape and that I still have enough water bags that don't leak to go all the way around the edge of the pool plus a few for spares. In the fall I let the water level drift down a little so it is closer to the bottom of the skimmer, instead of near the top where I keep it during the summer, this will save a little time latter.

Wait - I wait to close until the water temperature is solidly below 60 degrees. Below 60 degrees algae is fairly unlikely to grow and when it does it grows very slowly.

Balance - I bring PH to between 7.4 and 7.6 and make sure TA and CH are not too far out of line. This is generally easy as everything pretty much remains balanced all the time.

SLAM - Two or three days before closing, I bring the pool...

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Maybe you’ve just survived a large rain or snow storm and want to perform some preventative maintenance in order to ensure that your pool cover lasts for the remainder of the winter, or maybe you’re just opening your pool for the season. It doesn’t matter what has prompted you to do so, but sooner or later, all pool owners will be faced with the task of removing the yucky water that has accumulated on top of the cover. Whether you have an above ground, or in ground variety, if you cover your pool to prepare it for winter, it will inevitably collect water prior to you taking it off to use the pool again in the summer. If left on there under heavy rains or snows, the weight could be so burdensome that it pulls the whole cover into the pool to create a disastrous situation for you to clean up. If you’re lucky enough to not have to remove some mid-winter water accumulation, then you will still be faced with proper removal to be able to open your pool when the weather...

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Due to algae's microscopic size, it takes literally millions of these plants to accumulate to be noticed by the naked eye! By that time it may be too late and very costly to correct. As we tell all our customers: This best way to eliminate algae is through prevention! (This is also why we are such proponents of salt water chlorine systems.)

Green Algae

The most common form of algae in swimming pools is "green" algae. Green algae (varies in color from blue-green to yellow-green to dark-green) can be free floating in the water (turning the water a hazy-green) or can be wall-clinging (patches of green). Green algae can be treated fairly simply with the right amount of brushing, shocking, and algaecide.

Treatment: Have water properly analyzed to ensure PH is at proper levels and balance the pool water. Pools treated with chlorine should be brushed thoroughly, then shocked, raising the chlorine levels above 3 ppm. Also, add a strong dose of Algaecide 60 to the...

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Think of a pool skimmer in a residential swimming pool like you would a gutter in a larger public swimming pool: it helps clean by skimming water and capturing floating debris: leaves, flower petals, dirt, twigs, dead insects, and oil (sunblock) -- before the waste can sink to the pool's bottom.

Most skimmers on in-ground pools are built into its upper sides, where the suction draws debris and traps it.

Most pool skimmers are accessed via the pool deck area through a trap door or hatch. The skimmer is also in a convenient location to attach a suction line for a pool vacuum.

Skimmers for In-Ground Pools

A surface skimmer is typically made of plastic (or PVC) or precast concrete and has a tank with a projecting throat on its upper side. The skimming action is performed by the weir, which regulates the amount of water entering the skimmer. Since the weird adjusts to permit only a thin layer of water to spill over, water is pulled off the surface...

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A basic outline of your circulation system

The pool water is drawn from the swimming pool via the surface skimmer by the circulating pump, passed through the filter then heat pump and returned to the swimming pool through the return inlets.

At the heart of the circulation system is the filter and below we describe the operation of the High Rate Sand Filter unit.

Filtration System
The purpose of your swimming pool filter is to remove suspended solids from the water. This function coupled with the correct chemical treatment of the water should give you a sparkling clear and safe pool environment in which to swim. It is however important that the swimming pool owner understands fully, that even the most efficient filter will not achieve ideal pool water conditions if the chemical balance of the water is incorrect.

The pump draws water from the swimming pool and passes it via a special multiport valve, into the top of the filter tank, from where it...

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Closing Your Pool

Protect Your Pool Over the Cold Winter Season

As cold weather approaches, you will want to start thinking about winterizing the swimming pool. The main purpose in winterizing your swimming pool is to protect it from damage due to freezing water. Another reason to close the pool correctly is to keep it as clean as possible for the next season. Closing your swim pool properly can save you a lot of work when it comes time to open the swimming pool for the summer. Here are a few steps to follow that will make your pool as safe as possible for the winter and low maintenance to open when warm weather returns in the spring.

Balance The Water

About 4-7 days prior to closing your pool for winter, bring your pool pH (7.6-7.8), pool alkalinity (80-100), and calcium hardness (150-250) in line. Shock the pool with a chlorine shock to bring the chlorine level up to 10-12ppm. Allow the pool chlorine to come down to its normal level, about...

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We've got things covered!

A grando pool cover saves energy, cuts costs, spares the environment, ensures crystal-clear water and, if appropriately designed, offers protection against accidents.

The skilled craftsmen at our production plant in Germany manufacture every cover individually to suit the size of the pool. The covers are robust and hard-wearing. They are also very convenient to operate – no creasing, no pulling, no winding. A press of a button is enough.

grando became specialised in the construction of swimming pool covers 45 years ago. With our outstanding quality and customer-oriented service, we have become the world market leader in the field of rigid-slatted pool covers.

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Water Bag Pool Cover

If your pool is covered with a water bag winter cover, it will collect water on top of it from rain and snow. Because of this, you have to pump water off of it prior to removing. Practice safety when dealing with electric cover pumps to avoid shock. Ideally, plug pump into an outdoor outlet that is on a GFI (ground fault interrupt) breaker and use an outdoor rated extension cord. Use either a submersible sump pump or a pool cover pump. A submersible sump pump removes the water faster. Attach a corrugated hose to the sump pump and run it to the low end of the yard away from the house.

If there is a loop on the top of the pump, you can slide your leaf rake pole (use an old one that you don't care if it gets bent) through the loop and place the ends of the pole at the pool edges so the pump sets low enough in the water. As a safety precaution, keep your hands out of the water while the pump is plugged in. Also, do not stick any metal poles in the...

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A cover is a fashionable swimming pool accessory that comes in a variety of materials and styles -- and is also a wise investment. All covers conserve water by preventing evaporation. Winter covers keep out debris, solar covers use the sun's rays to heat the pool and safety covers prevent young children or small animals from falling into the pool. And some covers perform all three functions. Typical costs:Standard winter pool covers are usually made of vinyl or other material, and can need cleaning or draining when water and debris accumulate on top of the cover; a basic version runs $15-$150 for an aboveground pool and $30-$350 or more for in-ground. Mesh winter covers require less maintenance because they allow water to drain through instead of building up; they cost about $50-$250 for aboveground and $200-$500 for in-ground pools. An automatic version can be $2,000-$5,000 or more, depending on pool size and the type of automation, and if it's a custom fit.Solar...
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I think you will have to change your way of thinking. You want something cheap, even after your experience with vacuum cleaners from Walmart. One you have to replace every couple of years.

Years ago, Bissell sold a carpet cleaning adaptor, which could be attached to a shop vacuum. Shop-Vac even sold similar, but are no longer available.

If you were to use a shop vacuum to extract the liquid from the carpeting, you would need a narrow slotted attachment, a way to apply the liquid cleaning solution and a way to agitate the solution into the carpeting. It can be done, but you would need to know what you are doing and know how to set up the shop vac for "liquid pick up".

The easiest thing to do is purchase a carpet cleaner like a Hoover SteamVac, use it properly and maintain the equipment...

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Step 6

As debris builds up in the water - from perspiration, suntan oil, hair spray and unfortunately, urine - it can cause eye and skin irritation and dull water. Often, chlorine is blamed for irritation and odor when in fact the real culprit is contaminants which tie up chlorine, keeping it from effectively sanitizing the water. When this happens, you should use shock which is basically a concentrated chemical treatment (usually chlorine). Shocking your above ground pool once a week will oxidize contaminants, freeing up the chlorine, and keeping your water crystal clear. Regular shock treatments will also kill resistant algae in the water. There are a variety of different products available including non-chlorine shock and shock designed for hard water...

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When I became a proud owner of an aboveground pool, I had no clue about how to maintain a pool. Luckily, I just started a career at In The Swim and found all the help I needed!

Aboveground pools are no different than inground pools, although the equipment is usually easier to operate. At a minimum, all pools need regular cleaning, daily filtering and a constant chlorine level.


Keeping an above ground pool clean is not much less work than cleaning an inground pool – and the tools and techniques are the same. If you have trees and a breeze, you’ll need to do skimming, vacuuming and brushing.

Skimming: The wall skimmer will get some floating debris, but a wind storm will be too much for it to handle. Attach a leaf skimmer to the pool pole and pull it across the surface. A bag type Leaf Rake works best when you have lots of leaves, and you can use it to scoop stuff from the pool floor, too. A flat skimmer net can be used for a quick skimming of a...

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As summer comes to an end, all swimming pools must be prepared for the winter season. When closing your pool for the year, a number of precautions must be taken to ensure the clarity of the water and the safety of the pool and its equipment. Since all pools are different, it would be impossible to cover everything in this space. However, we can provide you with some helpful guidelines.

The first tasks are simple housekeeping chores. To properly close your pool for the season, it should be first skimmed, brushed and vacuumed. The cleaner your pool is at closing, the cleaner it should be in the spring!

Next, you'll need to add special winterizing chemicals to help ensure the water clarity during the coming months. Add these chemicals the night before you close your pool and let the filter run overnight to circulate them.

Add winterizing chemicals to your pool water the night before you plan to close your pool.
Let the filter circulate the chemicals...
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To secure a pool cover on an above-ground pool, make sure the cable and winch attached to the pool cover is secure and tight. A faulty cable and winch can break and release. Wind can then easily blow the cover off. If the cable and winch is old, replace it. For added pool protection, use pool clips along the railing of the pool to hold the pool cover tightly in place.

Also, place sandbags or coffee cans filled with sand around the edges of your above-ground pool to help with holding the pool cover down. If you are worried about the appearance or sandbags or coffee cans around your pool, only place them around the pool's edges when a storm is approaching or weather reports warn of a storm coming.

If sandbags or coffee cans filled with sand is not an option, put the pool cover on your above-ground pool and fill the top with 200 to 300 gallons of water. This is about 10 minutes worth of water from your water hose. The water will spread out and keep the cover in...

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Above Ground Pool Cover with Air Pillow in Middle

A Step-by-Step Guide to Close your Above Ground Pool for the Winter

Step 1

Before closing your above ground pool, make sure the water is clean, clear and chemically balanced. Adjust the chemical levels if necessary. Chemically balanced water protects the pool from corrosion or scale buildup that can occur while the pool is not in use. Your chemical levels should be as follows:

pH: 7.2 – 7.6 Alkalinity: 80 – 120 parts per million Calcium Hardness: 175 – 250 parts per million Chlorine: 1 – 3 parts per million

Step 2

Remove all deck equipment, including ladders, stairs, etc.

Step 3

Brush down the sides and floor of your pool and then vacuum. This step prevents staining, which can occur if any dirt or debris is left to sit in the pool.

Step 4

Add winterizing chemicals by broadcasting them into the deep end of the pool. These chemicals help protect water quality during the...

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