Top 37 How Long To Aerate Pool The 192 Latest Answer

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It took 3 days and I had to keep adding acid to bring the ph back down to around 7. I only let the pump run overnight once.My rough guess is that if the full amount of acid was added and the pH lowered towards the 6.0 “limit,” the outgassing would occur fast enough to have the pH rise to 6.5 or so within one to two hours, even with modest aeration from pointed-up returns.Plug the loose end of tubing into the air hose in the compressor. Turn on the compressor and operate the aeration system for 15 minutes the first day. Double the operating time each day until it operates continuously.

Contents

How long does it take to raise pH with aeration?

My rough guess is that if the full amount of acid was added and the pH lowered towards the 6.0 “limit,” the outgassing would occur fast enough to have the pH rise to 6.5 or so within one to two hours, even with modest aeration from pointed-up returns.

How long does it take to aerate water?

Plug the loose end of tubing into the air hose in the compressor. Turn on the compressor and operate the aeration system for 15 minutes the first day. Double the operating time each day until it operates continuously.

When should I run my pool aerator?

Try to keep the fountain turned off during the heat of the day and run it in the evening or at night to help circulate cool air throughout the water. If you run the fountain too much when it’s hot outside, it could make the water even warmer.

Does aerating pool water help?

The average pool aerator sends streams of water into the air, which oxygenates the water it drops back into the pool. It’s an efficient way to infuse more oxygen into the water. This process also helps mix other sanitizing elements in the water, which continue to do their job and keep the pool clean.

Does aeration lower chlorine?

Yes, the aeration could cause more outgassing of chlorine. It’s normally fairly slow, but a lot of aeration can accelerate it.

Does aeration lower alkalinity?

Raising the pool water’s pH level using aeration is reserved for situations where you need to lower its total alkalinity quickly. Lowering total alkalinity is usually done because the pH level is rising too fast, or the total alkalinity is high and contributing to calcium scaling.

Does oxygenating water remove chlorine?

You should always dechlorinate water before adding it to a fish tank, but aerating the water will also aid in removing chlorine. Fish tanks typically require an air pump to circulate the water, so you’ll get an aerating and chlorine removing agent as a bonus.

Can you swim in aerated water?

We can’t ‘swim’ in air! It’s a matter of density/specific weight. If you are lighter relatively to the medium you float, if not you sink. We are very near the density of water and what mostly keeps us afloat is the big gas bladder we have more or less inflated, our lungs.

Do bubbles create oxygenate water?

It is not actually the bubbles that provide the oxygen to the water (a common misconception), but it is their disturbance of the surface and ability to provide more water circulation that helps to raise the concentration of oxygen in the tank.

Does aeration raise pH?

When water is aerated, it creates turbulence. The turbulence then causes the aqueous CO₂ (carbon dioxide) to outgas. Outgassing of CO₂ from water results in an increase in pH. Aeration is the only means of increasing pH that will not increase the Total Alkalinity.

How can I cool down my pool fast?

How to Cool Down a Swimming Pool

Run Your Filter at Night. The most practical one is to run your filter at night when the air is cooler. …
Cool Your Pool Down with Ice. Of course! …
Remove Landscaping. …
Install a Reverse-Cycle Heat Pump. …
Use Your Solar Heater. …
Install a Water Fountain.

What happens if alkalinity is high?

When alkalinity goes too high, the pH will drift to the higher end and this will render all chemicals useless, including chlorine. On the other hand, when the TA goes too low, the pH will drift down. This is very destructive to the pool’s structure and equipments, as well as harmful to human health.

Why does aeration tank increase pH?

Vigorous sulfate reduction at or before the aeration tank may have contributed to the high pH above 7.7, because one of the products from sulfate reduction is HCO3-, and it may buffer pH to higher values of 7.5~8.0. Stripping CO2 can also be a cause of increasing pH if CO2 is supersaturated in the water.

Can you lower alkalinity without lowering pH?

You can decrease pH without lowering the Total Alkalinity using Carbon Dioxide (CO₂) injection for pH control. Still, this does not lessen one without an effect on the other. When CO₂ is injected into water, it forms carbonic acid (H₂CO₃), which will reduce the pH.

What do you do if your pH and alkalinity is low?

When both Total Alkalinity and pH are too low (TA less than 80 ppm, pH below 6.8), use pH Increaser (sodium carbonate) to bring both levels up. If your Total Alkalinity levels are too high, add pH Reducer (sodium bisulfate).

Does aeration raise pH in aquarium?

Aeration – Increasing the oxygen concentration in your water will serve to drive down the carbon dioxide concentration. As discussed above, less carbon dioxide translates to a higher pH. Therefore, you can increase the aeration in the tank to raise the pH.

Does aeration raise pH?

How do I raise the pH in my aeration tank?

We have added calcium peroxide to increase the pH and release oxygen. And added our microbial cultures to digest the waste. This has made water more clearer (not fully clear) after 48 hours of treatment in SAFF aeration tank.

Does aeration lower pH in aquarium?

One of the purposes of reducing the high pH levels in your fish tank is to boost aeration. Aeration will add and increase the flow of Carbon dioxide in the water inside the aquarium. Adding some Vinegar slowly into the alkaline water can equally help neutralize the alkalinity steadily, in a natural way.

POOL AERATION BENEFITS

How long to aerate? | Trouble Free Pool

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Most searched keywords: Whether you are looking for How long to aerate? | Trouble Free Pool Updating Hi. I’m new to the forum and have appreciated all of the helpful advice and tips. I need to lower my TA and am going to try the aeration method I’ve read on…
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How long to aerate? | Trouble Free Pool

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Table of Contents:

Yo-Yo Effect

Carbonate Removal

Remove the CO2

Lower Alkalinity and pH With Acid Then Raise Only pH With Air

Not for Everyone

Accelerating a Process

Nature’s Equilibrium

How long to aerate?

The sticky waterbear posted above outlines the procedure for lowering TA, but I want to throw in my recent personal experience.

The likelihood is that you will not see any progress in two hours. The amount of time it takes to lower your TA is a function of many different variables:

1. The size/volume of your pool

2. How effective your aeration method is

3. How consistently you are lowering the PH in response to rises in PH as the TA comes down

I have been fighting a very high TA in my 24′ AG (approx 13,500 gal) for the past few days. Last Wednesday (5 days ago), I took my initial reading of TA at 300ppm. I have been aerating by pointing my return eyeball up to cause a strong ripple effect on the surface of the water. The pump has been running 24/7 since then, and as of this morning I have a TA of 180ppm. During this entire process, I have been checkin my PH twice per day. Each time I checked it, the reading was over 8 (which is a sign that the aeration is working). After each test, I would use the pool calculator to calculate how much acid I needed to add to lower PH to 7.0, and add acid accordingly.

So in 5 days, I’ve managed to lower my TA from 300 to 180, and in the process consumed just over 2 gallons of muriatic acid. The most important thing I can recommend is to keep retesting your PH at least every 12 hours during aeration process. The more often you recorrect your PH down to 7.0, the faster the process will be. If you have to keep adding acid to keep the PH down, you know its working. Donâ€™t expect to see instant results; itâ€™s a long and tedious process.

Using Air and Acid to Quickly Get Perfect pH/Alkalinity

It sounds radical and way out there but it’s easy to do and it works. You really can do this. Best of all, it uses muriatic acid which is cheap and something that is free — air.

In a typical pool, pH is maintained at a recommended level of minimum 7.2 and a maximum of 7.8 with the ideal range of 7.4 to 7.6 (per APSP and many health department guidelines). The total alkalinity is maintained at a minimum of 80 ppm to a maximum of 160 ppm, with an ideal range of 100 ppm to 140 ppm.

If the pH and alkalinity are both higher than recommended levels, muriatic acid (HCl 31.4 percent), dry acid (sodium bisulfate, NaHSO4), sulfuric acid (H2SO4) are added or carbon dioxide (CO2) is injected to lower them. However, pH is a logarithmic value and total alkalinity is linear, so they will not be lowered or raised at the same rate.

High and Low Problem

So a service tech, commercial pool operator or pool dealer is faced with lowering either pH or total alkalinity too much or not enough. If enough acid is added to adjust the pH to the recommended range, then the alkalinity will be too high. If enough acid is added to adjust the total alkalinity to the proper level, then the pH will be too low.

When the pH is a little low (about 7.1 or 7.2) and the total alkalinity is near recommended levels, adding soda ash will bring both up to proper levels. However, if pH is low and total alkalinity is OK, there has not been a practical way to raise only the pH.

Yo-Yo Effect

You can’t add a strong acid (muriatic) and then later add a strong base (soda ash) and expect the total alkalinity not to change. These two chemicals exactly cancel each other out, assuming you add amounts to end up at the same pH that you started with. This is the classic “yo-yo” effect, though in practice it’s even worse because people often use soda ash to raise the pH, which actually increases the total alkalinity even more, so you end up with a higher total alkalinity than when you started! The only way to lower TA is to physically remove some of the carbonates in the pool, and by “carbonates” I mean the collection of chemical species that are in equilibrium — carbonate ion (CO3-2), bicarbonate ion (HCO3–), carbonic acid (H2CO3) and aqueous (dissolved) carbon dioxide.

Carbonate Removal

In theory, one could intentionally form calcium carbonate by over-saturating the water — significantly raising the pH and then physically removing the precipitate. But doing that can cause scale to form on pool surfaces and in pipes and equipment. And it is not a precipitate that is easily removed. In addition, the high pH can cause metal staining if metals are in the water. If there were a chemical that strongly precipitated carbonate without forming scale, that would be great (similar to the lanthanum based products that precipitate phosphates for algae control), but there isn’t any.

Remove the CO2

The best way of removing the carbonates in the water is to aerate the water to remove carbon dioxide (CO2) since the pool is over-saturated in the first place.

Lower Alkalinity and pH With Acid, Then Raise Only pH With Air

Lowering the pH significantly will increase the amount of carbonates that are in the form of carbon dioxide in the water and that will increase the rate of outgassing (carbon dioxide leaving thewater). Aeration will also increase this rate of outgassing. As the carbon dioxide outgases, the pH rises with no change in total alkalinity. You can then add acid to lower both pH and TA with the net effect of lowering only the TA.

In other words, add acid until the alkalinity reaches about 90 to 100 ppm. Then aerate until the pH rises to 7.4 to 7.6.

The main rule to keep in mind is that it takes 25.6 oz. of full-strength muriatic acid (31.45 percent hydrochloric acid) to lower the total alkalinity by 10 ppm in 10,000 gallons. The problem: If one adds enough acid to lower the total alkalinity all at once, the pH can get very low. Now, let’s see how low it would actually go in some extreme cases.

Case Study

For this example, assume there are no borates, the cyanuric acid is 30 ppm and the pH is starting out at 7.8 (if it’s at 7.5 and is stable, then the total alkalinity probably doesn’t need to be lowered, but usually high total-alkalinity pools are high in pH as well). If one lowers the total alkalinity from 200 ppm to 80 ppm, the pH would drop to 6.1. If one lowered the total alkalinity from 300 ppm to 80 ppm, the pH would drop to 5.8. So you can see that even extreme additions of acid to lower the total alkalinity, at least to 80 ppm, don’t get the pH much below 6.0. While such a pH is not good in the long-term, having the pH at that level for a relatively short time — less than a day — is not a disaster. At such a low pH, carbon dioxide will be driven from the water fairly quickly since there is 220 to 440 times more carbon dioxide in the water as the equilibrium amount with the air above the water.

Add the Acid

The key to adding such large quantities of acid to the pool is to avoid overdosing in one place, as that could damage the plaster. Adding the acid slowly over a return flow with the pump running, and then brushing to ensure thorough mixing, will prevent the pH from getting too low in one spot, potentially damaging the plaster. (And obviously, one doesn’t want a return fitting pointing up when adding the acid because you don’t want it splashing back at you.)

Add the Air

Simply doing things like pointing the returns upwards and running the pump on high to create surface disturbance will aerate the water reasonably well. One could also add an aerator to a standard return.

If there are waterfalls, fountains, spillovers, etc., turning those on will also help. Even better: an air compressor with a head that has many tiny holes. It would produce lots of small bubbles and, when that end is placed in the deep end, the bubbles would spend as much time in the water as possible.

The idea is to increase the air-water surface area as much as possible, for as long as possible.

Below is a video created by Rudy Stankowitz of Aquatic Facility Training & Consultants that demonstrates this process. (Note: This video is sped up 4x; the actual change in pH took about 4 minutes.)

How Long Will It Take?

I don’t have anything but relative qualitative estimates based on how far out of equilibrium the carbon dioxide in the water is with respect to the carbon dioxide in the air.

My rough guess is that if the full amount of acid was added and the pH lowered towards the 6.0 “limit,” the outgassing would occur fast enough to have the pH rise to 6.5 or so within one to two hours, even with modest aeration from pointed-up returns. Getting from 6.5 to 7.0 could take longer, though still probably within the same day (likely about four to eight hours more). It’s getting from 7.0 up to 7.5 that could take longer – more than a day or two, assuming that total alkalinity is near 80 ppm, unless there is significant aeration. Of course, that’s what you want since that means the pH will become stable. The down side for a service tech is that raising the pH using this method could take many hours or even a couple of days.

Not for Everyone

Most pool owners would probably not attempt such a “drastic” or “scary” procedure, especially if they asked their pool store about it. (A question to which they would likely hear, “Are you crazy?”)

Professional pool service techs, however, could easily use this method. Acid is inexpensive and air is free, plus, there’s not much chance of overdoing the pH raising procedure. As the pH gets near 7.5 it takes more and more aeration to make a change. In fact, it is difficult to raise the pH much over 7.5 with aeration in a swimming pool.

It’s certainly a heck of a lot better than the “acid column” or “slug” method, which are more likely to result in acid pools that can destroy the pool surface in the area where it is added, especially in a vinyl pool. In fact, the biggest risk to the procedure described above — dropping down to a pH of 6.0 — is to vinyl pools since they are far more sensitive to pH than plaster pools. However, having just one to two hours exposure to a 6.5 pH is not a serious problem in a vinyl pool.

If the total alkalinity drop is limited to increments of 40 ppm, then the pH would not get quite so low. In this case, adding 102 oz. per 10,000 gallons at one time would lower alkalinity by 40 ppm, and the pH would not drop below 6.5. Then one could add air before lowering by another 40 ppm. So lowering alkalinity by more than 80 ppm could be done over multiple days or visits.

Accelerating a Process

Just keep in mind that the above method simply accelerates a natural process that will occur more slowly over time anyway. The total amount of acid needed to lower alkalinity would be the same if some is added every week to lower the pH — over time, the total alkalinity would slowly drop. This procedure simply speeds up the process. You don’t save on the amount of acid you need to add, but you save on the frequency of required acid addition. You basically get it over with in a shorter period of time. This assumes that the total alkalinity isn’t increasing over time, but that can also happen with evaporation/refill since the fill water usually has some total alkalinity.

Nature’s Equilibrium

If you lower the total alkalinity of the pool water to about 90 to 100 ppm with muriatic acid, then the pH will be too low (usually less than 7.0 and maybe as low as 6.0). However, if you have the total alkalinity at 90 ppm and the pH is low, wait a couple of days and the pH will go back up to about 7.5 on its own without a change in total alkalinity. Carbon dioxide equilibrium will be reached.

Here is what happens:

1. Aeration causes CO2 to outgas.

So aqueous CO2 becomes gas CO2 and leaves the water: CO2 (aq)->CO2 (gas)

2. Carbonic acid (H2CO3) in the water then creates CO2 according to this reaction: H2CO3 ->CO2 + H2O

3. Bicarbonate (HCO3–) in the water creates carbonic acid (H2CO3) according to this: HCO3– + H+->H2CO3

Net result: H+ is consumed and pH goes up — alkalinity does not increase

— pH is a measure of H+ (hydrogen ion) concentration. The less H+, the higher the pH. We just want to make this natural CO2 out gassing and pH rising process go faster.

More Aeration and Turbulence = Faster pH Rise

Things to Do To Make CO2 Outgas Quicker:

1. Turbulence created by return lines aimed up, waterfalls and spillways

2. Using a pressure washer aimed into the water to create turbulence

3. Aeration from a compressor, leaf blower or shop vac and diffuser disks or manifold with holes

4. Aeration using Venturi injectors

5. Using a degasser

Whenever the pH is low and the alkalinity is OK, use air to raise only the pH.

Comments or thoughts on this article? Please e-mail [email protected].

4 Ways to Keep Your Pool Cool During the Summer

4 Ways to Keep Your Pool Cool During the Summer

During the hottest part of the summer, there’s nothing better than taking a dip in your nice and cool backyard pool. But if you neglect taking care of the water, it can get too warm for your liking in a hurry thanks to the hot sun. At The Pool Store Inc., we want to help you keep your pool perfectly relaxing all summer long with expertpoolside sales and service in Minneapolis, MN. Here are 4 quick and easy ways you can keep your pool exactly the way you like it during the hot summer months.

Keep the Water Moving

For both a functional and beautiful feature, consider adding a decorative fountain or waterfall to your pool. There are endless options to fit your personal style and help transform your pool into the perfect backyard oasis. Try to keep the fountain turned off during the heat of the day and run it in the evening or at night to help circulate cool air throughout the water. If you run the fountain too much when it’s hot outside, it could make the water even warmer.

Use an Aerator

A pool aerator is a simple attachment that screws on to the existing pool return line and sprays a fountain of water into the pool using the pool’s pump. The water then cools down thanks to the oxygen from the droplets of water sprayed through the air. This can lower the temperature of the pool by a few degrees, which can make a huge and noticeable difference. Aerators are known to work best drier climates, but they can also be very effective in a more humid climate.

Just like with a fountain, the aerator will cool the pool most effectively when turned on at night. If your pool has more than one return line, you can even install more than one aerator for additional cooling.

Cover When Not Using

Covering won’t lower the temperature of your pool drastically, but it will prevent the water from getting warmer. If the water is at the temperature you want, make sure to keep it that way by covering it up tightly whenever you’re not using it, especially during the day.

Fitted covers don’t have to be expensive and will easily keep your pool exactly the way you want it. Most are extremely easy to use, too!

Use a Pool Mister

An easy and inexpensive way to quickly lower the water temperature of your pool, similar to an aerator, is to add a mister. The constant mist leads to quick evaporation and in turn cooler water temperatures. As a bonus, the kids will love playing in the spraying water. Run the mister at night for even more significant cooling. It doesn’t require a separate source of water and produces an evaporative cooling curtain to compensate for the water that evaporates.

By following even just one of these tips, you will able to cool or maintain the cool temperature of your pool that you love. Now all that’s missing is food, drinks, and friends for an unforgettable and relaxing summer.

So you have finished reading the how long to aerate pool topic article, if you find this article useful, please share it. Thank you very much. See more: how long to aerate pool to raise ph, how to aerate pool to raise ph, how to aerate above ground pool, pool aerator valve, commercial pool aerator, pool aerator nozzle, pool aerator head, best pool aerator

Top 37 How Long To Aerate Pool The 192 Latest Answer

How long does it take to raise pH with aeration?

How long does it take to aerate water?

When should I run my pool aerator?

Does aerating pool water help?

Does aeration lower chlorine?

Does aeration lower alkalinity?

Does oxygenating water remove chlorine?

Can you swim in aerated water?

Do bubbles create oxygenate water?

Does aeration raise pH?

How can I cool down my pool fast?

What happens if alkalinity is high?

Why does aeration tank increase pH?

Can you lower alkalinity without lowering pH?

What do you do if your pH and alkalinity is low?

Does aeration raise pH in aquarium?

Does aeration raise pH?

How do I raise the pH in my aeration tank?

Does aeration lower pH in aquarium?

How long to aerate? | Trouble Free Pool

Using Air and Acid to Quickly Get Perfect pH/Alkalinity | AQUA Magazine

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4 Ways to Keep Your Pool Cool During the Summer

Is It Good to Aerate Pool Water? — Flawless Image Pool Service

Is It Good to Aerate Pool Water? — Flawless Image Pool Service

Should You Use A Pool Aerator? (Aeration Explained)

What Is a Pool Aerator and Are They Worth It?

Using Air and Acid to Quickly Get Perfect pH/Alkalinity | AQUA Magazine

What to aerate with? – Swimming Pool Help

Is It Good to Aerate Pool Water? — Flawless Image Pool Service

Pool Aerators Explaned: Should You Use One? – Pool Research

Raising pH with Air – Pool Operator Talk News🗞

Keep your Pool Cool This Summer with a Pool Aerator – Sensorex

How long to aerate?

Using Air and Acid to Quickly Get Perfect pH/Alkalinity

4 Ways to Keep Your Pool Cool During the Summer

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