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Q: Are pool algae removal treatments safe?
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Why is snow removal important?

Snow removal is important to ensure the roads are safe for commuting. Snow removal also ensures that schools and businesses can stay open.


Is it safe to swim in a pool that has algae in it?

The Algae won't hurt you. But if the chlorine isn't killing the algae, then other microorganisms might be present also. But then, we grew up swimming in ponds and streams. After shocking the pool, the algae will take longer to dissipate, so I'd let the kids in 24 hours after shocking, even if the water is green.No it is not!!!!!! We just returned from a trip to Mexico and stayed at a high end Resort. The pool was beautiful but on three of the days there we saw algae in the pool. It was cleaned out with manual sweeping and I suppose chlorinated or shocked. When we got home I had this horrible itching that was unbearable. Nothing could be seen on the skin, but it was so intense I could not not stand it even to sleep. The doctor prescribed a cortisone cream and said it had caused a severe dermatitis that may lie dormant and will be activated by heat, hot water, and WAS caused by the unsanitary conditions that let the bacteria and such grow in this pool. Do not swim in algae filled poolsIs there a mycologist in the house???Greetings! I read this letter and replies quite closely as Oregons Willamette valley gets hit with the worst algae outbreak in recent memory .This is the first I've heard of algae causing dermatitis related problems. I remember coming out of streams and ponds covered with it down in S.C. Perhaps a strain that won't survive this far north?Allergic reaction I could understand. But those are immuno-specific and tied to the patient, not the organism present in the pool.But I am a lot more inclined to cast the questioning eye toward the sparkling water and filtration of the pool.The definitive answer is "it depends."Europeans swim in pools that have algae on the walls, yet also have a high ORP (oxidation reduction potential- as measured in millivolts of conductivity).The high ORP is usually due to the use of ozone, which kills viruses, bacteria and pathogens, and oxidizes bather waste (urea - sweat, urine & cosmetics - suntan lotion, hair gels, cream rinse, etc.). The short half life of the ozone does not allow the ozone to remain in the vessel (pool/spa) long enough to kill the algae. Thus their pools are sanitary & safe to swim in (no pathogens and sparkling clear), yet they have algae.The reader who got sick probably swam in a pool which had bacteria, viruses, and algae due to poor water chemistry maintenance.The best piece of advice that I can recommend... carry your own pool water test strips when you travel, and perform a test before swimming. I do this when ever I travel, and especially when using a public spa/hot tub.2 rules to remember:1: If your eyes burn after swimming, it's not due to TOO MUCH chlorine, it's from too little (chlorimines). (Or improper pool water pH).2: If you smell "chlorine" when you approach the pool or spa, turn around & go golfing. What you smell are chloramines (chlorine that's combined with bather waste, aka. combined chlorine), and that is an indication that there is not enough chlorine in the pool!! A high level of chlorine in a pool (even as high as 10 ppm) barely has a smell. And yes 10 ppm is safe to swim in - only hyper-sensitive folks might itch and cheap fabrics may bleach/fade.Remember: Most water chemistry problems, eye irritation complaints, and murky water are a result of too little chlorine!If it's a public pool and it's green, I wouldn't dip my finger in it. If it's your private pool, then it depends, I am not going to repeat the valid points above..If you are a pool owner and looking for a solution to the algae problem, please check out my web site www.poolbutlerswimsafe.com


How do you clear up algae in pools?

Black algae is a serious problem, particularly during the summer. In the semi-private pool we had, the technician tried to fix the problem with the water in the pool. We ended up [hired a new pool company] having to empty the pool, do the remedial things to the pool surface, replace the sand filter. It was expensive and probably would have been easier to do it the hard way first.If it is at the bottom, brush with s/s brush turn pump off and add trichlor on top of the algae, let it seat for 2-3 days, brush again. If it is in the walls add silver based liquid algaecide as per manufacturer's recommendations."Black Algae" (actually blue-green algae) forms in cracks and crevices on pool surfaces, especially plaster finishes. We normally find black algae growing in, but not limited to, shady areas of the pool.Black algae is more typically found in concrete or plaster finished pools; it is very uncommon to find it in vinyl liner pools. It is known for a heavy slime layer and "skeletal growths" that make it impervious to normal chlorine levels (1.0 - 2.5 ppm). Black algae can grow "condominium style" providing layers of algae one on top of the other. Slight cracks in plaster or fiberglass walls are perfect breeding grounds for black algae especially when the pool is not properly maintained.Two ways to get rid of black algae, algaecides typically do not work, mainly just a waste of money. First way is to spread either cal hypo or granular triclor directly on the algae. Lower Ph so the killing form of chlorine is more effective generally 7.0 to 7.4. You first should brush the spots with a ss brush. Do not do this on a dark plaster or vinyl liner pool, chlorine will either bleach or stain color. When doing this turn off pool sweep for a few days. Second and most effective way is to get two cases of liquid chlorine 8 gallons, and two gallon of ammonia hydroxide (most pool stores can order this for you) and muriatic acid. Close the pool for two weeks. Do not let anyone swim or animals drink from the pool for at least two weeks (diarrhea). Lower pH to around 7.0 Add the 8 gallons of chlorine around the pool. Turn on filter pump let run for 24 hours at least. Now you have to add the amonia hydroxide. When you do this make sure that no one hangs around the pool for a few hours (there are some gasses from the mixture of chemicals). let your system run as normal after the 24 hours. Brush pool with ss brush as often as possible. And make sure that the pool is not use. can not stress this enough. Wait till the chlorine residual has lowered to safe levels to reuse pool. At least two weeks. May have to add more chlorine after week one depends on the amount of BA, may have to try method one during this process. What this does is with the combination of ammonia and chlorine raises the residual to around 50 ppm and burns out the BA from the root. Once this is done there will or may be etching in the plaster from were the BA was, to help with this get a sanding block from your local pool store or professional, and sand the areas were the BA was to make the plaster more uniform.I am a pool professional and have done this on a few pools and works like magic. I have done this to a pool that was covered with black algae, tried everything on this pool and nothing else worked also did the first way that i talked about, only helped a little just slowed down.Do not scrub the pool with acid, will do nothing other than burn plaster. You can use liquid chlorine to scrub pool, this works to kill the algae and helps to bleach the plaster and disinfects the pool when a pool was not properly sanitized. Muriatic acid is not going to kill the algae, only will temporarily make the algae disappear. If you have your pool re-plastered make sure that the plasterer cuts away the spots were the algae was. I have seen pools that had Black algae before being re-plastered and soon after new plaster was applied it came back. Some times you have to remove the gunite as well.CautionMixing Any type of chlorine product with amonia hydroxide is asking for a dangerous out come. Don't Do It.Balance your pool water, brush the algae spots with a stainless steel algae brush to break the outer shell, in a vinyl liner pool use a 3M black scrubber pad. Having done this, super shock raising Free Available Chlorine to 5 to 10 ppm add a good copper or silver based algaecide, make sure the product is chelated which will prevent staining and follow the instructions to the letter. These are products that more is not better.


What makes it safe to live on Mars?

Breathable atmosphere, lots of fur coats, algae, water, and impenetrable shelter.


Why can fertilizer cause an algae bloom?

Algae is a plant, and wants to grow in your pool for the same reason it grows in ponds, lakes, streams and oceans. Water is it's natural habitat. Although in its simplest form, algae is not a health issue, it will lead to potential problems when it start attracting mosquitos, bacteria, etc. So the trick is to prevent it in the first place, or get rid of it as soon as you see it. Adequate (but not too much) chlorine will generally prevent algae growth, with some exceptions. One of those exceptions is the presence of high levels of phosphates. Phosphates are biologicals such as skin cells, decomposition of leaves, dirt or fertilizer blowing into pool, etc. This becomes food for the algae and allows the algae to fight off the killing power of chlorine. The advise below is assuming you have just a small bit of algae: Shock the pool with chlorine. Brush the algae off the walls and floor as best you can. Run your filter 24 hours. Brush the pool again to remove any algae missed the day before. Run your filter another 24 hours. Thoroughly clean your filters. Use chlorine neutralizer to bring chlorine level blow 5 ppm before swimming. Have your water tested for phosphates. Treat if levels are between 250 ppb and 2000 ppb. Higher levels will require partial draining. Your local pool store can give you additional advise on shock, phosphates and tell you if it is safe to partially drain a pool in your location. Never totally drain your pool unless you know the geological stability of the ground below your pool.

Related questions

How long to wait between pool shock treatments?

Once chlorine level drops to 5 ppm or below, it is safe to swim.


You have cloudy water with air bubbles?

You also have Algae this can usually be treated with bombing the pool and hitting it with an algaecide. Just to be on the safe side take a sample of the water along to your pool shop and have it tested.


What is the use of chlorine in water?

Chlorine, as well as other sanitizers for water, kill bacteria and algae in the pool water to keep it more safe for bathers.


I need a cna class online. I live in Cumming Ga?

Your pool is probably green because it has algae. You need to go to a swimming pool supply company like Leslie's or Niagra and buy some algae destroyer. There are also other items you will need for a safe swim such as chlorine tablets, and to run your pump and filter, etc.


How do you get rid of yellow algae in a non chlorine pool?

You can ask a pool specialist about some non-chlorine pool-safe chemical. We got it, too.


Can you swim with high levels of phosphates?

In a word, Yes. Phosphates are really a non issue. Phosphates are an algae food but IF YOU ARE MAINTAINING PROPER FREE CHLORINE LEVELS for the CYA level in your pool they are a non issue and you will not get algae. Phosphates are also often not the limiting factor in algae growth. Nitrates are also algae food and the only way to remove nitrates from pool water is by water change. There is not a nitrate remover that a pool store can sell you so nitrates are not normally tested. Phosphate removers have become big business and big profits for pool stores and chemical distributors but they are an entirely unnecessary product 99% of the time if proper pool maintenance is followed. High phosphate water is perfectly safe to swim in.


Is it safe to treat cats with dog flea treatments?

no it is not safe


Is removal of asbestos corrugated roofing safe?

Removal of asbestos corrugated roofing safe if done properly.


Are algae discs safe for Bichir fish?

Safe, surely, however they won't eat them, as they are predatory fish. Likely they would simply ignore algae discs.


Is do-it-yourself wart removal safe and effective, or do I need to see a dermatologist?

Over the counter wart treatments are safe, but they are not always effective. Depending on the type and size of the wart, it may remain even after 5 or 6 tries of treating it. If that is the case, then you will need to see a dermatologist.


How safe and effective is Sona laser hair removal?

Laser hair removal is becoming more and more popular as we continue to perfect the technology. As long as you see a trained professional, the procedure is not only effective but safe. If you are afraid of feeling pain or discomfort during the procedure, ask for a topical anesthetic. The nice thing about laser hair removal is that the results are relatively permanent, and unlike waxing or shaving treatments can be reduced over time.


Which is the best laser hair removal clinic in Jaipur?

Get the best laser hair removal treatments at the leading Facevue Aesthetics clinic in Jaipur. Our experienced team of dermatologists offer customized services with a personalized approach to help you achieve your desired results. Experience painless and safe laser hair removal with us! Schedule an appointment today and get the best treatment.