Comments on: Complete Back washing Guide For D.E. Pool Filters

By: MANNY Huertas

MANNY Huertas — Mon, 10 Sep 2018 21:05:05 +0000

after backwashing and adding the DE…how long you have to wait before you can use the pool??? thanks…

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By: phil birtles

phil birtles — Thu, 24 May 2012 13:35:41 +0000

having just puchased a house with an outdoor pool, i just did my first ‘backwash and rinse’ .on completion my pool drained about 100 gallons in about 30 seconds. is this normal.

By: Greg

Greg — Thu, 24 May 2012 03:59:59 +0000

In reply to Gloria Gramz.

The problem is the fingers or other media is clogged with the algae.
I had the dam problem last year. I think I just kept bumping and refilling for about 5 days and then it straightened out. the algae is clogging up things. The other thing I do every year is take the filter apart and remove the nylon socks from the tubes and wash them with a little soap and then reinstall them, It takes about 2 hours just to reinstall the socks. make sure they are pulled all the way to the top. You could replace them but that is expensive.
As far as adding the de to the filter. Try putting the vacuum hose on the skimmer and then place the other end in a bucked which you have made a slurry with the appropriate amount of DE. The worst that happens is you get some on the bottom of the pool which you can vacuum up later.

By: Rick

Rick — Thu, 23 Jun 2011 15:45:16 +0000

In reply to Peter. Peter, I only come to this from my 30 years experience with my DE filter. I too backwash like you do and have done it all of those years. I have replaced my filter with the same model Hayward EC65 just once in that thiry years and that was becuase of a crack that developed in the housing. I start up my filter until all of the lines are primed and then shutdown all of the skimmers except one and add my initial DE to that skimmer. I'm very sure that takes me more than 1 minute so unless you have an exotic filter of some sort, I would not worry about the 1 minute business. I have never had any problem with the filter elements in the 30 years. Hope that helps.

By: Rick

Rick — Thu, 23 Jun 2011 15:34:01 +0000

In reply to Joseph. Joseph, If you are performing the acid wash yourself, be very careful and read the instructions very carefully. Do not reassemble the filter until the fingers are completely dry. I assembled mine with the fingers wet and the acid gas from the wash and the clorine gas did not get along. It blew my chlorinator to bits. Thankfully I wasn't to close by but I had a yard full of neighbors shortly afterword. A better cleaner is to fill a bucket big enough for the filter fingers with warm water and put in some Cascade Dish washing powder and let it sit over night. Works great. A lot safer.

By: K. Watts

K. Watts — Mon, 20 Jun 2011 15:24:20 +0000

How often do you backwash a 36′ inground pool?

By: Dave

Dave — Thu, 26 May 2011 13:39:34 +0000

hi i have a DE filter with multi port valve it was backwashed and every couple hours the filter stops flowing pressure is OK than i rinse and it flows again what could B the problem thanks Dave

By: Laurie

Laurie — Mon, 27 Sep 2010 19:52:45 +0000

Time to clean the DE filter grids and need to know the best and safetest way to get the retaining band on and properly securedon the tank. Last time I had to call a pool svc to put it back together and it was a mess..
I have a Purex Triton DE filter