How Much DE Does Your Filter Need

In this video I'll show you how easy it is to calculate how much DE you need to "recharge" your filter after properly backwashing it.

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DIY Pool Care

[loismurray]

Clear and concise, how to add DE. New pool owner.

[cherylangleton]

Thanks so much for that explanation of the powder!🙂

[wsaut]

Just put new D.E. grids in my filter. Do i have to put a little more D.E. in when i first start it or just use the normal amount ?

[wwfera]

Question please: so I maintenance my parents pool because they've been taken advantage of from the local pool techs here. And the other day the pressure was at 30 (normally 15-22 for their pool) So I backwashed the pool, cleaned out the DE filter grids, and added DE powder in the skimmer and pressure was stable at 18-22psi. This is a normal day. Well we swam in it that same day (me, wife, mom, sister and her 3 small kids) and the next morning I checked the pressure and it was at 30 again. Is this normal? I saw the pool level was a little low, maybe 1/4 of the skimmer level instead of 1/2. So I'm adding more water but idk if that could be the reason or if it's just cause we swam in it for 2 hours. They have an old Polaris but I want to get them a dolphin cause I noticed debri on the bottom pool surface.

I checked the manifold and grids carefully as usual and put it all back together. I didn't see any cracks or any indication they were torn or broken. Usually when I do this whole process the psi doesn't jump up that quickly especially not the next morning. What could be the issue?

P.s The pool isn't green it was just a little cloudy when I started the cleaning process. Also they just have a regular push pull valve, not a multiport.

[erickrhernandez]

So sorry for not fully understanding the amount of DE because you use a 2 lb scoop.
I use a 1LB scoop for my DE filters. So how much of DE do I pour in if my grids are 36 sq ft? 46 sq ft? Or a 60 sq ft? I don’t know why it’s confusing me but it is. Pls help

[walterpal]

New pool owner. I was told to add 10 1lbs scoops by the pool company that replaced my pump. After watching your video I saw that my filter is the DE6020 which would equal to 6 scoops. I’m over by 4 1lbs. How can I remove the extra DE powder?

[CASPERLEONG]

Are you located in Arizona? Might need some care for pool mysteries I have.

[Marcos.j]

Question is the program of poolschooler work for me I live in FL You are in Arizona if I recall right temperatures are different than FL

[jamesortiz]

How long should it run after cleaning with fresh will it fall off or stick to the grid?

[goldendusty]

I thought when backwashing, you use 80% of the filter guidelines. I have 48 sq ft & the filter manual says 5 pounds when opening. So after backwashing I use 4 lbs(80%) correct??

[TA-iurg]

Hi. My filter tells me 7 pounds of DE but using your formula I would only put in 4 pounds. ?

[jhoncarmelocruz]

Can I use the de with my glass filter.

[andreaardemagni]

How often do I have to add DE to my filter ?

[brianehlers]

If you are trying to maintain your pool yourself my best advice is to trash the DE filter and replace with literally any other system lol