Question about Intex Krystal Clear Model 635 Pool Filter Pump 1500 Gph

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15 by 48 pool i upgraded the filter too the 2500 gallons per hour and saltwater system cannot fit the in and outtakes throught the pool liner what do i do

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Get replacement ports of the proper size from your pool supply house. Dont use adapters as this constitutes a restriction and will lead to troubles. If you cannot find the correct diameter - I suggest you add a second suction and a second discharge of the size you can get and pipe them together outside the pool ... put the two suctions/dischargees on a pipe that will fit your new pump.

Posted on Aug 09, 2010

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Why is my intex pool water turning green even with the saltwater chlorniator


enough salt? too much salt?
running enough hours per day?
adequate flow to activate salt cell? (cf dirty filter)
Salt cell clogged with calcium deposit?

Jun 21, 2012 | Intex Krystal Clear Saltwater System...

1 Answer

My husband converted our 27 x 52 round above ground pool over to saltwater two weeks ago and we have yet to be able to get in it to swim. We drained all 18,700 gallons, scrubbed the liner and refilled the...


Wrinkles in your pool liner wall is a slight problem and can be a place for algae to grow, BUT can be treated and cleaned.. Algae will appear if your not providing the correct amount chlorine, regardless of wrinkles or not.. Let me tell you how I take care of my 14,500 gallon 18' X 33' X 48" pool using only the 8110 Intex model and hope you can apply some of my techniques to your pool and system...
In the 2 years I've own my system, I have not added any chlorine, even for those times my system failed and water turned green.. Yes.. I could have bought SHOCK and CHLORINE and added to my pool to kill the algae, but chose to vacuum, brush and set my chlorinator to max and did it without buying any of these expensive chemicals.. It took over 3 days to finally see results after running my system at at 12 to 14 hrs pump and 10 to 12 hrs chlorination.. After my pool cleared and chlorine level was at optimal, I lowered my chlorination to around 6 to 8 hrs.. Right now that the temperature is around 95 degrees, I run the pump for 12 hrs and chlorinate for 10.. My chlorine level is slight low and today I plan to raise my chlorination to 11 hours.. My pool water right now is crystal clear and clean. I vacuum my pool daily and check the electrolytic cell weekly for optimal results..
Now...you have a huge above ground pool, almost 19,000 gallons!!! To start.. you should have added almost 500 lbs of salt!!! and ran the pump only for over 24 hrs to properly dissolve the salt..
Next, you should test the water salt concentration level and should have been between 2000 and 3000 ppm. After the proper level and because your pool is so big, run your pump at 12 hrs or longer and possible 10 to 12 hrs chlorination...
You said the manual vacuum sucks up the liner??? They sell a nifty device that hooks up at the end of the hose and attaches at the skimmer inlet that has a relief spring activated door that prevents sucking up the liner and also, you may to look for a different vacuum head???
Bottom line... NO, the only way to clean the algae is NOT with vacuum and brush only..It could be done with SHOCK and CHLORINE.. I chose not to add shock and chlorine to mine.. But you will need to vacuum the dead algae and clean you filter several times..One more thing... I hope your chlorinator is big enough for your size pool.. The max gallons the manual shows is for a 14500 gallons, like mine... Good luck and hope this info helps...

Aug 14, 2011 | Intex Automatic Salt Water System for ...

1 Answer

How many hours should be programmed in for a 16,000 gallon pool?


In the absence of information to the contrary, longer is better. If you can run 24/7 all the better. Your filter will clean your water and your chlorinator will keep a constant supply of chlorine going into the pool.

I suggest you use stabilizer (Cyanuric Acid) in your pool ... the proper level is between 50 and 80 ppm. The Cyanuric acid protects the newly made chlorine from the effects of the UV from the sun.

How much water are you moving per hour? In a perfect workd, you will have a 8 hour turn over, i.e. your pump will move the 16,000 gallons in and out of the pool in 8 hours or less. The more swimming that is going on the longer you should run the pump ... again in the absence of information to the contrary.

Thanks for your question @ FixYa.com

Jul 28, 2011 | Intex Automatic Salt Water System for ...

1 Answer

Model #SD-20-2N11CC WATERWAY PUMP (2HP) - Trying to find out how many gallons per minutes pumped on high & low speeds


Rule of thumb for a 2 HP pump using a 2 inch pipe is between 60 and 80 gallons per minute. Factors affecting flow rate is the distance between the pump and the pool, how many bends and turns and of course the condition of the filter. If you need to meet a specific turn-over rate, use the lower number to determine in the event you sould be called on the carpet.

Low speed? I am sorry. I don't know the rule of thumb on this.

You could install a flow meter, available at your professional pool supply. They are easy to install and not a lot of money. Follow the installation instructions as best as you can.

Incidently, comercially speaking, the 'turn over rate' should be around 8 hours for a public pool. Your jurisdiction may have other standards. Commercial pools should run 24 hours a day at that rate during the open season. Turn over rate means all the gallons of the pool should go through the filter in 8 hours, or all the gallons should go through the filter three times per day. Example: 16000 gallons of water in the pool, your filter and pump should be pumping 2000 gallons per hour. Studies show that it actually takes up to 5 days to get every actual 'chunk' of water to go through the filter, so, many of the 'chunks' of water go through the filter multiple times per hour. BTW, I use the word "chunks" in an effort to better paint a mental picture of what is happening. I am not suggesting your water has "chunks" in it.

Thanks for your question @ FixYa.com

Jul 07, 2011 | Waterway 2hp Hi - Flo 2 Speed Above Ground...

1 Answer

I just ordered and received a 2500 filter, set it up, turned it on, and nothing....motor noise, but no water movement. What am I doing wrong? AS far as I know, I did what I was supposed to. ??? Pools...


1 - Double-check that your water level is above the hose that sends water from your pool to your filter. If the hose has even the tiniest crack, air could be getting sucked in & causing your filter to lose its prime.

2 - If you have not already done so, slowly twist the top of your filter house to loosen it (do this while your unit is on but keep a tight grip on it...once the water pressure hits it, it can push it off completely). You should hear air escaping from the unit. Once water begins coming out, tighten the top back down. Removing the air should 'prime' your filter.

3 - If you've tried this & it didn't work, try putting your filter on a level raised surface (possibly a chair or a sturdy box) at a level about equal to the hose that brings the water from your pool to your filter. Also, try putting it it as far away from your pool as your hoses will allow.

4 - If none of this works, it could be that you have a defective unit. Or, perhaps some other readers will have additional suggestions.

5 - Start saving up. As soon as you are able, purchase a Sand Filter & a Saltwater Chlorine Generator/Saltwater System. I don't know how big your pool is, but mine is 18' x 4' and holds approximately 6000 gallons. The first 3 years I had it, my children & I spent more time cleaning it than swimming in it - literally. (Once we'd shock it, we had to wait 24 hours to swim. By then, it needed a clarifier or ph + or - :-( ) My mom kept telling me that people she worked with had converted to saltwater & were just loving it. I thought that sounded like some sort of lengthy & expensive process & was leary. In the meantime, my sister-in-law was given a sand filter & she raved about what a great difference it made. I began checking online & ebay had the best prices (by far) on the sand filters, but they were still going for about $300 so I waited. My local Wal-Mart had the saltwater chlorinator for $199. It was hard for me to justify paying $500 to convert the pool (especially since I'd gotten the pool at Sam's for only $300 to begin with! Finally, though, I got so sick of having a pool we couldn't enjoy, I did it. I won an auction on a sand filter on ebay for right under $300 and a chlorinator fro $115. I got them in within a couple of days of one another & hooked them up. I got the sand at Lowe's for about $7 & the salt (also at Lowe's) for about $5. I put in the salt & stirred it around with the skimmer-pole. The directions said to wait about 24 hours for the salt to dissolve, but my pool was green & I was tired of waiting so after about 3 hours, I turned on the filter. I let it run for about 5 minutes then turned on & programmed the saltwater chlorinator to operate for 12 hours. That was about 5pm. By the next morning, the water was as clear as when I'd first filled it up. WooHoo!!! That was over 1 year ago & I've just now added my second 40lb bag of salt. Water is still clear - well worth the investment! The only thing I would recommend doing differently is the way I got the saltwater chlorinator. I recommend paying the little extra to get a new one. The one I got off ebay was great - but it only worked for one season. For no apparant reason, about a week ago, I found the power off & could not get it to power on. Wal-Mart has them for $169 this year. Don't know if you have Atwoods where you live, but I just got my new one there for $159. I didn't even hesitate this time...I knew it was more than worth it. No more filter cartriges, no more shock, no more clarifier, no more ph -, no more ph+, no more green water...just a lot more fun in the pool!
Just so you know, in case you do save up & go to sand & saltwater...the filter I got is a 2hp 22" tank. It either pumps 4000 or 5000 gallons per hour - I don't remember for sure which. I do remember, though, that whatever it is, it's 1000 gallons more per hour than the chlorinator specifies but they work GREAT together. I searched ebay for "2hp 22" sand filter" (not in quotes) to narrow down the search results. There are a couple different brands that mostly come up - Hayward & Clearwater, if I remember right. I got a Clearwater, but they probably work the same.
I know you're asking for advice about the filter you already have, so I apologize if the information I've offered is unwelcomed. I just wish I'd switched my pool years earlier than I did. I would have saved a ton of headache, hassle and, in the long run...money.

Jun 20, 2011 | Intex 2010 Easy Set 2500 Gph Swimming Pool...

1 Answer

Is the Hayward s210 pro series 21" top mount above


Thank you for posting your question here on Fixya.com.


32' round by how deep? Flow rate is how you size a filter so with total gallons you can calculate how many per minute will add up to the whole pool being turned over is 6-8 hours. The pump and filter are then sized for that required flow...Assuming the pool is an above ground ~4' average depth then total gallons would be about 24,000 gallons. For an 8 hour turnover you would need about 50 gallons per minute. The 210T, T for top mount, is designed to handle up to 44 gallons per minute and turn over a 21,000 gallon pool in 8 hours or a 26,000 gallon pool in 10.

What that basically means is that using a 210 on a pool 32 x 4 would be pushing it. It will work but you will end up backwashing more frequently which raises the overall cost of running the pool. If it is not to late a 24" filter would be better; especially if you have periods of time in your pool season where heavy amounts of debris such as pollen get into the water. A 21" filter won't handle any over a normal filtration load.


If this answer does not fix your problem, please comment with additional details prior to rating the answer. You may also contact me thru our website at www.arrowpools.net. Positive feedback is appreciated once your problem is solved!


Apr 28, 2011 | Hayward Pro Series 21" Above Ground Pool...

1 Answer

I purchased an intex saltwater system, hooked it up, been running for 3 days now, and it has turned my pool water GREEN!!!!!!


It, did not turn your pool green. The pool was ready to turn green before you installed the intex system.
before having the system did you regularly use stabilizer? non foaming algecide? How long do you filter? There are so many variables. I will try to make it as easy as possible

We will address the salt system last right now you need to get your pool back to normal
Start by shocking it with 1-2 gallons of liquid chlorine let filter run during this time to stir it up
after 12 hours you need to brush the sides and bottom and then let settle
Now vaccum and then clean your cartridge with a strong blast from the garden hose
Start filtering again and at this point add the non foaming algaecide
the next day brush again and let settle vaccum again clean the filter again and continue this until the pool is clear

once it is clear you will want to use the algaecide once every 5-7 days.

Now a little fyi
Intex filters can not support the gl ph that is needed to keep a pool clean and crystal clear. All of there pumps are under rated for the gallon of pool that is sold with it

A pool needs to be turned over at LEAST 3 times in a 12 hour period
I will use generic #'s
If you have a 5000 gl pool and a 2500 gallon pump that is 6 hours minimum filtering time you do the math for your pool

You should also run the pump continuous. It is the only way to really filter efficiently with an intex pump


now for your generator
Although a good concept it is really a waste of money.
All the salt system does for you is to make it so you do not need to add liquid chlorine or tablets but you still need to add chemicals as mentioned above

get a test kit for salt water the ones that read #'s not color
get the salt to 3000ppm no lower than 2700 or you will not be able to produce enough sanitizer and any more than 3800 and the water tastes terrible and will usually trigger an alarm for high salt
once your pool is clear shoot for this

now to maintain it

Although you may be told otherwise this is what has worked for me for this being the 4th season with no green ever

I filter 24/7 with generating chlorine any where from 4-12 hours depending on the day.
chlorine consumption is created by many factors # of bathers heat sun rain people sneaking in with sun tan oil and so on you will need to figure out what is best for your situation
Dont forget to get a good stabilizer to help with holding the amount of chlorine in the pool usually about a pound per 5000 gl
as mentioned I also use the non foaming algaecide just follow the directions for your gl pool
I also use a water clarifyer that turns minute particles into larger particals that the filter can actually catch
and even though the filter may not look dirty clean it every day.
I use 2 one in the unit and one drying
Spray it out hard and let it dry overnight

Dont ask me why or how but a filter that is dry from the start filters better than a wet one put back in right away

Had you been doing all of this since you opened the pool the addition of the salt system would have worked fine

Good luck

Jul 07, 2010 | Intex Automatic Salt Water System for ...

3 Answers

Hi- I'm a new intex above ground metal frame pool owner. I bought the saltwater chlorinator to go with my pool. I constantly have a problem with the pool filter not getting enough water to flow through...


You've gotta keep that annoying filter pretty darn clean to please the saltwater pump. I have to scrub my filters daily for this reason. What pump do you have? Mine is rated for 4000gph but I see Intex even offers support for pumps with as little as 500gph.

Jun 16, 2010 | Intex 1000 Gallon Swimming Pool Filter...

2 Answers

My pool water is a little cloudy, the test strip says everything is ok what should I do?


you can use a clarifyer but most likely you are not filtering enough.
A pool needs turned over At Least 3 times in a filtering cycle. Figure out how many gallons an hour your pump will do and then filter accordingly.
If you have 7000gl and your pump is 2000gph then you should be running you pump 10 1/2 hours a day/night.

Jun 26, 2009 | Intex Automatic Salt Water System for ...

2 Answers

Code 93 saltwater system


Hi, Code 93 is telling you that the system is done running, did you mean to say it said 92? That code would be for too much salt. If indeed it is a Code 92 you are getting, give Intex a call, or email. I have found their website to be very helpful, they have a F&Q's area. Good luck!

Jun 15, 2009 | Intex Automatic Salt Water System for ...

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