I have Triton Nautilus DE Filter. When I "recharged" it by pouring DE
into skimmer I saw cloudy water being pumped back into pool for a few
minutes then it stopped.
The water is clear and chemicals all balanced. I can see the bottom of
the deep end.
So I decided to vaccuum and again I see clouds pumping into pool as if
not filtering these particles.
Next I open up the filter because I was convinced something wasn't
right. I gently hosed off the elements and checked them for holes or
rips. They check out fine. So I then made sure that each element was
seated and put it all back together.
Once again I mix up 6 coffee cans full of DE into a pail, add water to
make a slurry and poured it into the skimmer. And again I see clouds
begin jetting from the inlets but they stop after a minute.
Hours later the pool is again clear and I can see the bottom but the
particles from the clouds have accumulated on the bottom.
1. Is it normal to see clouds jetting from inlets while adding DE into
2. Will Clarifier clump these particles into size that will catch them
in the filter?
3. Or Is it possible there is a tear in the elements that I could not
4. Has this happened to anyone else?
5. If so, what did you learn?
I am afraid that if I vaccuum the stuff will just circulate back into
the pool like an endless cycle.
Any and all DE Filter owners your comments are welcome!!! Please Help!
I do not currently own a home wil a pool or a Spa (yahoo!) but I have
YEARS of experience owning / working them.
First of all, let me say, you are doing all the right things.
The mesh size of the nylon fabric on the filter grids will allow "some"
DE to pass until the DE builds up on the grids to form the filtering
take a look at http://www.poolandspa.com/page799.htm
typically clarifiers / flocculating agents are not needed in DE systems
(we never used them). Spas with cartirdge filters are another story,
used them all the time to good effect.
When a DE filter is recharged correctly & settles down, you will get no
recirculating particles upon vacuuming.
Cloudy water from the return lines means particles getting thru the
filter; (damaged mesh, hole, seam failure, leak at junction with
filter tree, ???)
but you looked for that, so.....I don't know?????
could also be poor DE distribtuon over the filter grids, but you're
doing it correctly by premixing the DE.
we used to cheat & just dump DE in the skimmer & depend on the pump to
mix it :)
we gave the filter a couple turns to distribute the DE & everything was
some how stuff is getting by your filter & IMO a clarifier is not the
answer; you've got some sort of internal leak path.
Maybe at the grid tree / internal plumbing; grid plumbing to tank
let us know how it all works out
I took your advice and started this new thread. I also went to the
website you recommended and read that the clouds I see may actually be
normal. I will vaccuum tonight and see if I have finally got a good
filtration going. If not I suspect I will dissassemble again and
scrutinize each individual filter element, there may be a rip that I
didn't see before because I washed it as a complete assembly. There
was a tip on the website you mentioned that said a rip or tear can be
temporarily fixed with PVC Cement!
Wish me luck!
Well, I got home last night and set-up the vaccuum and right away the
material came jetting out of the inlets again. So I stopped. I figured
I would be dismantling the filter and replacing elements. However.....
I figured I would try one more time with the DE. This time I did not
pre-mix into a slurry. I merely added it into the skimmer basket
slowly. And guess what!!!? None of it made it back into the pool!
morning, so I fired up the vaccuum and everything worked as it
should!!! Lesson learned? Pour the DE ito the skimmer AS IS!! Now if
it would just stop raining!!
Thanks for the help,
I probably missed the previous discussion; but I'll offer my experience with
that returning DE. In my case (Doughboy Sequel II), I had a filter fin
inside that had somehow come apart at a seam. I was able to successfully
dry it out and epoxy the seam back together.
Sounds like you may have blocked a leak in the filter element with a nice
big clump of D.E. The problem with not doing the premix is that the DE
often will not spread very evenly inside the filter so you get big clumps
in some areas (usually near the middle or corners, and thin cover in
others. I would just enjoy the clean pool for now but the next time you
do a backwash, you probably want to open up the filter, pull out the
element, and check for the leaking area. If the media elements are shaped
in a spiral this could take a little time.
When you put the filter tank back together remember to use a torque wrench
and tighten exactly to the spec torque, alternating tightening with the
wrench and gentle pounding all around the O ring with a rubber mallet or
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