de filter

  1. M

    Is this what a DE filter cartridge should look like after DE powder is added? (Pentair Quad DE)

    After cleaning my Pentair Quad 80 DE filter cartridges, adding DE, some DE was making it's way back into the pool. According to what I have read that can happen for a few reasons, air, too much DE (not sure why this would happen), tear in cartridge. So I decided to take a look at the carridges...
  2. aerospa

    DE Filter Head Loss Outperforms Cartridge?

    I was looking around at filters to replace my nearly 30 year-old Pentair SMBW 2060 DE filter (60 sqft) as part of a general equipment pad revamp, and I was initially leaning towards a new cartridge filter as it seems to be in vogue. I learned a few things: 1. From a forum search, DE vs...
  3. T

    Short life on DE filter grids?

    Hi all, newish pool owner, purchased with the house at the end of last year. Just completed my 2nd deep clean of the Pentair FNS Plus 48 DE Filter, but this time I pulled the grids out. I noticed many of them had hardly any thread left on the bottom of the grid plates. Many of them the seams...
  4. N

    How to vacuum debris with a Hayward perflex DE FILTER

    How do you vacuum to waste with a DE Filter (no multi-port Valve. Hayward Perflex EC50 D.E Filter System 1.5HP Power-Flo Pump. My parents just got a house with this filter and we have only ever used Sand filters The pool is clear but there is debris on the bottom.. can we vacuum to with the...
  5. P

    Is Adding DE Powder after Opening Filter Required

    I just cleaned my filter and now I have DE blowing out the jets. I want to open the filter and check the manifold for leaks. For me to do this with my system, I have to drain the filter of the water out to my lawn. I'm not backwashing, just trying to get inside the filter. If I do this, do I...
  6. Westonator

    SWG Broken - Just installed a new one today and I'm not sure if i should add salt.

    Hi there! Been reading all of the forums and went through "pool school" twice, but I'm at a little bit of a loss on what to do. ~15,000 Gal. Saltwater Pool Measurements: FW:1.2 Total Chlorine: .22 pH: 7.8 TA: 96 CH: 167 CYA: 5 Phosphates: 495 Salt: 1263 Water Temp: 62F Any thoughts on what...
  7. Axis910

    Skimmer Line Clogged by DE filter

    Hi everyone, I'm a new pool owner and due to labor shortage, have not been able to get any pool companies to come and maintain it for me. Since opening, the pool has had a variety of problems, forcing me to learn things on the get go. First I tackled the green algae and PH balance. Next I had...
  8. C

    I ran a DE filter for 6+ hours without DE powder

    I know, I know it’s really bad. I was helping someone open up their pool this summer and setting up a new DA filter and pump. I thought it was fine to not have DE filter but I was very wrong from what I’ve seen from other posts. We were reusing the old water from last year and it was dirty. I...
  9. S

    DE filter air release valve not releasing water during prime

    Hello TFP. It's been a tough year, but I hope you all are well. Well, it's opening day here in New England. I've got all my equipment set up, almost. Here's my issue. When I turn on my pool pump water is pulled in and primed successfully. The returns in the pool are cranking during this...
  10. M

    New pool water not 100% clear using DE filter

    So our new pool using KrystalKrete Quartz was filled a little 2 weeks ago. For the first 9 days or so the PB put 9 gallons of acid in water so it can be acid washed using the brush 2-3 times a day. Yes I had to do it and it's a great workout for anyone looking for a free gym membership. So...
  11. E

    Low Pressure in Pump Housing Strainer Basket

    I will start off by saying i am new to the world of pool pumps and issues, so i may not use the correct wording. This issue is on my parents pool but i am an engineer so i am semi-capable with fixing issues. The pool was opened after being closed all winter. Everything was working ok and then...
  12. V

    High pressure reading 2 minutes after backwash

    I replaced my Hayward 6000 DE filter cartridge with new set of 8. The pool water was green at that moment due to hole in the old filter and I run it for whole night after lowering the PH and adding two pack of shock and 4 chlorine tab without DE!. The gauge reading was 10 right at the start...
  13. S

    Advice on replacing Current 25 year old DE American Products filter and multiport with either Pentair or Jandy units

    It looks like the current Pentair model FNS PLus 60 sq ft DE filter is similar to my 25 year old American Product filter and multiport. I did see Pentair bought our American Products. Looking to replace current unit with either the Pentair filter and multiport ,or with the # 67140177...
  14. G

    DE Filter Not Coating

    I have been watching my DE Filter closely lately, because it does not seem to be operating correctly as the pressure rises quickly after I replace the DE. I have a Hayward 20 Sq Ft Perflex DE Filter which is less than a year old. At first it worked perfectly. About two weeks ago, I opened it...
  15. E

    Converting to Chlorine and DE filter keeps clogging

    Hi pool people! I’m really hoping someone can give me some tips here. We’re in the process of converting from Baquacil to chlorine. The nice folks at the pool store said the BAQ levels were very low and to shock with cal-hypo, which we’ve done a few times. Pool is green which was expected. The...
  16. J

    Problems after backwash

    I backwashed my pool and added DE this weekend. Now I am having issues with lots of air in the line. The pool pump lost prime only once, but there are a lot of bubbles in the pump and coming out of the jets in the pool.
  17. tavacska

    DE sands in pool

    Hi, Everyone, New to swimming pool and new to the forum too. I have a Pentair 60 DE filter with grids like fans. I had it recently dissembled and garden hose deep cleaned. I got it reassembled and refilled with DE from Lowes. The DE is weighed to the requirement from the Pentair manual. After...
  18. J

    Hayward DE Perflex Tube Filter, can I upgrade to different filter?

    So I bought a house with this pool in December and I have been maintaining it ok I think. I have had a couple algae blooms pop up on me if I got busy and forgot to check the pool for a couple days. The filter I have is a Hayward perflex with like 80 individual tubes with filters over each tube...
  19. K

    DE inhaled while suspended in pool water

    Ok, I may be waaay overthinking this but.... what if there is a little DE suspended in my pool water and my young kids inhale some water while we are swimming (which is not unusual for them since they are not good swimmers yet). I know DE is harmful to your lungs when inhaled in dry form. They...
  20. S

    DE filter needs frequent cleaning

    Hi! This is my first post! We have a Pentair Quad DE filter that's about 10 years old. We've lived here for 2 years, and the longest we've ever been able to go without a full cartridge cleaning is about 3 months, and that was right after we replaced the cartridges about 6 months ago. There is NO...
  21. R

    time sensitive - please help! DE FILTER CARTRIDGE QUESTION

    Hello pool warriors, I am planning a massive 4th of July party in my yard this week and ran into some serious trouble. 2 of the mesh liners of my DE filter cartridges (72 sq ft - 36 inchers) have 2-3 inch tears along the seams. I know that I need to buy a grid to replace these and can get on...
  22. jersey

    Fixing a leaky outlet from a DE Filter

    Hi! The outlet pipe coming out of my DE filter (FNS Plus 60 sq. ft) has a slow leak where indicated in the photos. From the parts diagram it looks like the leak is coming from part numbers 28 or 29 where the pipe meets the filter. I'd like to detach the outlet pipe from the filter housing but...
  23. K

    DE coming up the drain

    When my pump shuts off it appears that DE is coming up from the drain and settling right by it.
  24. M

    SLAMing inground pool with DE filter, no recirculate...

    This is my first time opening a pool. I think I closed down too early last fall and therefore opened up my pool to a nice shade of dark green. Never fear! I am a true believer in the TFP SLAM method and have stocked up on liquid chlorine. I went through my first day, lots of sweeping and...
  25. T

    Model???

    I have an old Pentair DE filter. All the information has faded off the side. Its on its last leg but hoping to get through summer. Does anyone know which filter this is?
  26. G

    Very low pressure at DE filter

    My pool DE filter suddenly has only 5 lbs of pressure when it is usually at 20-25 depending on how recent I back washed. I tried moving the pump in waste mode and backwash mode and the water trickles out of the waste conduit. We did get a sudden abundance of l;eaves in the pool this week as our...
  27. K

    Pressure Rising very fast

    My 72 year old (female) Friend had an algae problem caused by a broken pump motor and a lot of leaves. I replaced to broken motor, cleaned to DE Filter, got as many of the leaves out as possible without being able to see the bottom of the pool. I Shocked the pool and ran the pump until my...