Shocking Your Pool Water
The term shocking refers to raising the levels of free chlorine, or chlorine that hasnt yet mixed with the water, by adding chlorine or other chemicals to your pool water.
Depending on how often your pool gets used, shock your pool once every week or two during the peak swimming season. Chlorine works best at a pH level between 7.2-7.8. Acidic water is harmful to both swimmers and the pool itself.
With a pH above 8.0, chlorine quickly loses potency. The goal of shocking your pool is to raise the free chlorine level to eliminate contaminants, kill algae, and for clearing a cloudy pool.
Note that pool shocking chemicals that get rid of brown algae in the pool are different from clarifiers and flocculants. Water clarifier products consolidate particles in the water into small clumps that the pool filter is better able to catch.
Flocculant products coagulate debris into large clumps that sink to the pools bottom for easier manual removal.
Chlorine bleach works as a DIY alternative to name-brand pool shock chemicals. The active ingredient in swimming pool shock and chlorine bleach is sodium hypochlorite.
Pool shock contains about twice the concentration of household bleach. Clorox recommends using a half-cup of bleach per thousand gallons of water. Its best to apply the bleach treatment at night, as sunlight quickly decreases its potency.
Get Ph And Alkalinity Back To Normal Levels
Ascorbic acid is strong and will definitely bring down pH and TA levels. If the pH and TA are not way out of balance, you can use 20 Mule Team Borax to raise the pH without affecting TA and an alkalinity increaser to bring the TA up to recommended levels when it gets low. Add these chemicals slowly while testing until they get to recommended levels since you dont want pH or TA to get out of balance.
Remember that pH should be maintained between 7.4 and 7.6 to avoid metal staining. I prefer using LaMotte ColorQ Pro 7 digital pool water test kit since it is very accurate and fast in taking all chemical readings. If you get your pH and TA out of balance by mistake or they get troublesome to balance, here is more about how you can balance pH and TA.
Clean The Pool Filters
When the debris and dead algae have been brushed off the walls of the swimming pool, the filter will have lots of dirt to filter from the water. At this stage, you need to clean the filters to allow them work again. If your pool uses sand filters, you need to backwash them. Cartridge filters are just to be cleaned.
The procedure to backwash your sand filters is as follows:
- Slide the push valve or turn the multiport valve handle to the backwash option.
- Turn on the pump and run it until the water is clear.
- Shut off the pump then move the valve back to the filter option and then turn the filter back on.
Your sand filter will be ready to use again.
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Staineraser 11001 The Pool Stain Eraser
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Lower The Ph Level To 72
Lower your pH level to 7.2 using muriatic acid if its higher than that. This is necessary since high pH levels may need a lot of ascorbic acids to clear metal stains and may also contribute to more metal staining, which is what you need to get rid of. I prefer muriatic acid since pH minus will not lower the total alkalinity and high TA might cause pH to scale high if clearing stains takes longer.
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How To Clean Empty Pool Walls & Floor
Using a pressure washer, apply the detergent inside the tank and follow manufacturer directions when mixing it with water. Wash the side walls first. Do one small section at a time, starting from the top and working your way side to side and down. Doing small sections ensures that you wash the walls thoroughly and helps avoid missing any spots. You may need to allow the detergent to set on the side for 5 to 15 minutes to work the scum off the pool walls. Keep the area damp by occasionally applying water to the sides. Switch to a softer or more delicate low pressure wash and pure water in the tank. Wash the walls removing all of the detergent. Again start at the top and work your way down.
Last And Most Accessible Solution
While you are on the swimming pool, carry a towel or microfiber brush with you and scrub that pools wall area. You can do it a minimum twice a week. Regular base cleaning provides a fruitful result to remove all kinds of stain from the pool. Removing algae stain, you should figure out the stain category of your pool. And by maintaining all the above steps, you can solve the algae stain problems accurately.
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Get Algae Out Of Pool Without A Vacuum
If you dont have a vacuum for your pool, dont worry. It takes a little extra effort, but removing algae from pool bottom without a vacuum is possible.
If your pool has a filtration system, the filter should be able to take care of a swimming pool with algae after scrubbing it off the sides and bottom of the pool.
After scrubbing with your pool brush, agitate the water with your hands or a garden hose with a pressure attachment to lift algae on bottom of pool, so it gets picked up by the filter.
Large clumps of algae may clog your pool filter, so it might be necessary to rinse it part-way through cleaning up your algae bloom.
If your pool doesnt have a filtration system, use a pool brush or regular broom to gather the sediment and dead algae on bottom of pool to one corner.
Its critical to move slowly so the debris doesnt spread too far in the water. Once youve made a pile in a corner, use a skimmer, net, or dustpan to collect the algae and sediment and gently lift it out of the pool.
If you discover your pool has gone from crystal clear to murky and green, dont panic. While prevention is the best cure for an algae problem, eliminating an algae bloom is usually straightforward.
In addition to your regular pool cleaner products, youll need pool shock, flocculant or clarifier, an abrasive brush that wont damage your pools surface, and a pool vacuum or skimmer. With a bit of effort, youll have your swimming pool looking like new in no time.
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Keep The Water Circulating
Algae will grow faster in stagnant water since the spores need to stick to a surface to grow. If you circulate water in the pool, itll not give the algae time and surfaces to grow on. Running the pools pump will do the trick and its something that ought to be done daily. Running it for at least 10 hours each day is the recommended time.
Brush Your Pool Walls And Floor
Scrubbing the algae off your pool walls lets your sanitizer get deeper into the remaining algae. It also stirs up the sediment youve brushed off so it can be killed and filtered out.
Using a stiff pool brush on a pole, brush the walls and floor of your pool. Pay special attention to corners and shady areas where algae is usually worst. As you go, your water will become cloudy, obstructing your view, so get those tough spots first.
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Balance The Pools Chemicals
When the pools pH is high and the pool is thus basic , algae will thrive in it. You should thus keep the pH of the pool about 7.4. Besides this, you need to maintain the chlorine level between 2 and 4 ppm besides many other chemical balances. You should have a pool-testing kit to help you find the right chemical balance for your pool.
Add Metal Sequestrate In Your Pool Water
Metal sequestrate should be the last option to use in a pool because it works differently from metal removers like Metal Magic and Orendas SC-100. Metal sequestrate does not remove metals in your pool water. Still, it naturally binds to the metals, holding metal particles together in your water so that they don’t come out of the solution to react with chlorine when added to your water or when pH levels get too high.
Ideally, regular doses of sequestrants will prevent metal staining when chlorine is added into the water and slowly break down. Therefore, they should be introduced regularly in your pool water to maintain the right level to keep stains away.
The most effective sequestrants are derived from phosphoric acid, and the best in the market today is Pool Mate Metal Out. This product helps prevent discoloration of pool water from iron, silver, manganese, copper, and other metals and minerals that may be present in the water supply.
Pool Mate Metal Out is an excellent general-purpose sequestrant that helps protect plumbing and pool walls from rust, stain, and scale. It should be used for pool openings and closings and throughout the season. For best results, add 1 quart per 10,000 gallons weekly, and you will never have metal stains in your pool.
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How Do I Remove Algae Stains
Its worth checking for other kinds of algae frequently while using the pool. Yellow or mustard algae can grow in a shaded corner of the pool and is resistant to normal chlorine levels, explains River Pools. Black spot algae is even tougher to kill and can cause permanent damage to the underwater surfaces of your pool. It can be hard to spot and is resistant to chlorine. You may also see pink slime, which is caused by bacteria rather than algae and often grows inside polyvinyl chloride, or PVC, piping.
Your first step in getting rid of nasty algae is to correct and clean the pool. First, correct it by doing your testing to determine the pH, level of chlorine, and stabilizer or other important chemicals. What you test depends on the chemical system your pool uses you should know what components are important and how they work together so that you can test appropriately.
Testing The Pool Wateris It Metal Staining Or Algae
Before taking any action to undergo treatment for metal stains, you need to be certain of its metal staining. Green or black stains might indicate metal stains, but they may also occur due to green or black algae. Do the vitamin C test by using ascorbic acid to determine whether it’s metal staining or not:
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This Stuff Permanently Stains Everything It Gets On
How to remove green algae stains from pool walls. Green , yellow , and black. Green algae is the most common cause of algae stains in swimming pools. Is it coming back in the same place on the walls?
Planting the right landscaping around the pool can also help keep algae out by preventing leaves and flowers from floating in the water. I have some organic algae pool stains i am having trouble removing completely. Green algae is the most common type and also the easiest to remove.
Also, green algae most commonly starts in corners or areas where automatic pool cleaners are unable to access. Of all pool stains, organic pool stains are the easiest to remove that said, youll still need to use a little elbow grease to get rid of them. Some stubborn stains may be left on the pool walls and other services when you remove the matter from your swimming pool.
Removing algae from your pool involves several factors. Black and green algae stains can cover your homes exterior surfaces, leaving a slippery mess. Plus, black algae can cause unsightly dark stains across your homes roof.
These types of algae can be found in both salty and fresh water pools and other water bodies. Luckily, whether youre trying to remove leaf stains or algae stains from your pool, theres a simple method to follow. Algae spores are impossible to avoid, but there are several ways to create a hostile environment and kill green algae on pool walls and in the water consistently.
I have since learned how.
How To Remove Algae Stains From A Concrete Pool
16 April, 2009
Algae stains on a concrete pool can be a disgusting mess. Algae grow in pools when certain conditions are present. For example, winds contribute to the production of algae. When the spores fall into the pool, the sunlight and temperature allows the algae to grow. The amount of chlorine that you add to your pool does not necessarily keep algae away. When you drain your pool, you can remove the algae stains from the concrete. Algae stain removers like Olympic Mildew Check, Mason Select Concrete Cleaner and 30 Seconds Outdoor Cleaner clean algae stains and some protect from future outbreaks.
- Algae stains on a concrete pool can be a disgusting mess.
- When you drain your pool, you can remove the algae stains from the concrete.
Purchase a new spray bottle or clean out an existing one thoroughly. Make sure that no other cleaner is present. Place a piece of masking tape on the bottle. Write “Algae Cleaner” on the masking tape using a permanent marker. Fill up half the bottle with the algae cleaner. This is only applicable if your cleaning product is a jug or bottle.
Spray the algae product on the concrete. Start with a small area, for example 2 feet by 2 feet. Soak the area to cover the entire algae stain. Wait for roughly 4 minutes.
- Purchase a new spray bottle or clean out an existing one thoroughly.
- Place a piece of masking tape on the bottle.
Brush the area with a scrubbing brush. Use a circular motion and then scrub in rows to rub the stain remover in thoroughly.
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Also Check The Chemistry Of The Pool
How to remove black algae stains from pool walls. Algae stains are one of the many things that pool owners get to deal with after dealing with the nasty green, black or yellow organic matter called algae. Yes, there is a decimal point before the 8. If your pool is full of water & stabilized you shouldn’t have algae your question tells me you need more chlorine and possibly either more water or a higher volume filter pump to move the water more often.
Dont drain your pool to remove black spot algae because it will simply come back again. Yes, there is silver in it. If so, then it might be black algae instead.
You had stains left and now report that the algae seems to be coming back on december 24th. If you are one of the few that have black algae in a pool with a smooth surface, use the softer nylon bristle brush. It usually grows in the crevices and cracks of the pool especially in the shady parts of the pool.
Removing black algae from your pool. Draining the pool is not effective because the algae also live in the pipework, solar heaters, filter and pump. Kids are back in the pool in just 7 days.
Black spot algae in pool. Black algae has a hard outer shell that protects the cells inside. This is one of the strongest silver based algaecides available, and silver is best for controlling black algae.
Attach a 90 degree fitting on the end to deliver the acid to a stain on the pool wall. It appears as small, black dots or blotches on your pools walls, floors and surfaces.
Pool Stain Removal 101
Want to make pool stain removal easier?
The secret is all in the technique. Keep reading to learn how to remove organic, metal, rust, mineral, and other stains from your pool, the right way.
Just like ketchup splotches and oil droplets seem to find their way on to every white T-shirt you own, pool stains follow a similar path. At one point or another, no matter how careful you are, odds are youre going to find one somewhere in your pool maybe along the walls or spread across the shallow end stairs.
And if youre reading this article, then you probably found a stain and want to remove it. If so, youre on the right track.
Pool stains are common and appear for a number of reasons. So they arent necessarily a sign of bad maintenance. Everything from leaves and dirt, to minerals and bodily oils, can cause pool staining.
And when stains appear, they range in color, from bright green, red, and blue smears, to dark brown and red blobs.
But luckily, removing pool stains is simple when you know what youre looking for. When you can identify a pool stain, removing it becomes much easier.
And thats what this post is all about.
So if youre ready to learn how to remove pool stains and prevent them from ever coming back again, keep reading. This post is for you.
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