The Above Ground Pool...More Like A Pond

by Lucas S
(Canada, Southern Ontario)

I recently moved into a new home.

The former owners left their 18' above ground pool. It hasn't been used in a couple of seasons and they never put a winter cover on it.

It's just like a pond.

What would be the best way to clean the pool?

Should I drain it and clean it and fill it back up with water or just hook everything up and dump a large amount of chlorine in it?

I just wanna know the best way to do it and the quickest way to do it.

Thank you in advance.

Thanks for the question Lucas

I will assume that when you say your pool is now a pond, the water level is down, the water is green and thick with algae, and the walls and floor are covered with black and green slime.

If this is the case, and you don't have a huge investment in the pool already, I would suggest you drain and clean it.

You can do a very light acid wash, normally a 4:1 ratio. 4 parts water and 1 acid.

You'll probably need to scrub a bit to loosen any slime that's adhering to the floor and walls.

Rinse very well and drain that out the best you can. You can use a power washer, BUT, do this at a far enough range that it won't affect the liner.

A wide spray would be best.

Or use a garden hose with an adjustable nozzle.

If you simply rinse it off with your thumb on the hose, you're going to have alot of excess water.

You can go to this page for all the links to chlorine, pH, alkalinity, and calcium hardness. They will show you what to do and how to do it.

Swimming Pool Chemistry

I would suggest getting a Taylor FAS-DPD K-2006 pool test kit. It's the one most pool professionals use and will give you the most accurate readings:

Water Testing Kit

Pool Water Testing

Be sure you test your fill water with your kit. This way you'll know what going into your pool and you can make the right adjustments. There's no guessing involved.

You might be able to get pool water delivered to you. This is already balanced out and it should be ready to go.

Pool Water Delivery

The question didn't mention what kind of filtration you have, but this site has all three kinds of filters, maintenance, and troubleshooting.

Be sure to check out the pool Q&A page. There's lots of great information there as well:

Swimming Pool Questions and Answers

Hope this helps and good luck with your pool.


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New Pool...What To Do With Chemicals

Just got a new 9x16 above ground pool. It's filled with water and I have no idea what to do about chemicals. Where to start how much to add if you need to shock it right away to start out?

We bought 3 inch chlorine tabs and a one of the things to put them in and float them. What else do we need to start swimming?

Thanks for the question

First, I'll direct your attention to these posts about starting up a new pool:

My First Pool..How Do I Add Chemicals & Make Adjustments?

Above Ground Pool..Need To Know About Chemicals & What To Do..

Installing Chemicals In The Proper Place

The above posts have links to the chemical pages that you need, namely chlorine, pH, alkalinity, and hardness. They tell what to do and how to do it.

I'd encourage you to get a Taylor FAS-DPD K-2006 pool test kit. It takes a little getting used to but it's worth the investment.

Pool Water Testing

Water Testing Kit

First is to get the pH and total alkalinity (TA) in line. The hardness is mostly for plaster pools so don't be too concerned about that with a vinyl above ground pool.

Next, I will assume with the new fill you don't have any chlorine or stabilizer (CYA). You'll want to shock the pool with Dichlor chlorine. This is a stabilized form of chlorine. Once you reach the 30 - 35ppm CYA mark, stop with Dichlor and go back to regular liquid chlorine.

Be careful when using Dichlor as it can get out of hand quickly. For every 10ppm of chlorine added with Dichlor, you'll raise the CYA by 9ppm. For every 10ppm of chlorine added with Trichlor tabs you'll raise the CYA by 6ppm. It's 1 1/3lbs. of Dichlor per 10,000 gallons of water to bring the chlorine level up 10ppm.

Never put tabs in the skimmer, always use a float.

Again, the above links have the info. you need and go into greater detail.

To post a reply, or if you have a similar question, you can see your post on the Q&A page in the "Start Up/Opening A Pool" category.

Check back to this post for updates or answers.

If you need immediate assistance (within 24 hrs) or for emergency personal assistance, you can make a donation of your choice and I'll answer your questions by phone.

Contact Me


Hope this helps and have a great Summer.


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Help have a really dirty above ground pool

by Tommie
(Brazoria texas)

I need ask about cyanuric acid do you buy that at the store? I found a acid that's starts with an maturic I think that is how you spell it i bought the 19.00 dollar ebooks but it didn't have the series on a nasty green pool.

Hi Tommie. The $19 eBooks contain Clear Blue Pool and How To Clear Up A Green Pool. The later contains my FTA Process to clear up your pool. Perhaps you were thinking of something else.

Cyanuric acid is stabilizer for the chlorine. To make is simple, we'll refer to it as stabilizer. It goes by different names, but they all mean the same thing.

Muriatic acid is for lowering the pH and TA.

If you follow the process outlined in the books, your pool will clear up. You cannot take shortcuts or substitute this for that. You cannot do "that" until the end and not do "this" when it needs to be done.

We're dealing with very light 1st grade chemistry, but chemistry nonetheless. The FTA Process takes consistent persistent effort. It's not back-breaking, nor will it take thousands of hours, but it is still a process.

I also searched Paypal and didn't find the email that is in this post. Did you possibly use another one? If you did, please respond so I can confirm this through Paypal.



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