2 Speed Pump Setting?

ccurtis74

Member
Jun 17, 2022
15
St. Johns Michigan
Pool Size
17000
Surface
Vinyl
Chlorine
Liquid Chlorine
New to pool ownership last year and have a question I can't seem to find an answer to.
We have a 27' round above ground roughly 17,000 gallons. It came with a Hayward dual speed pump 2hp. High speed is 3450rpm and low speed is 1725rpm. We have a 175 sqft Hayward cartridge filter. Right now the pump is set on an out door timer to run roughly 10-12 hours a day. Here in mid Michigan area our pool season is usually May - September.

It seems that our pool gets what I think is brown dirt or gunk build up in it quite quickly. Its not green. When you brush it it seems to be a lighter color brown and breaks up and will discolor the water for a bit. We have to vacuum the pool about once every 2 days or this stuff builds up in the bottom of the pool.
I have already picked up from this group that I need to do some modification to our wedding cake steps that it has in it. So I'll do that this weekend.


My question is which speed should I be running the pump on when I am running it? High or low speed? Would it be better to run it on low speed 24/7 or run it on high speed for 10 hours a day?
Any help would be appreciated.
 
Welcome to TFP! :wave: Low speed should be just fine most of the time. Mine is on low 24/7 just for the erase of skimming surface debris and run my SWG. I almost never use high speed. See more in teh link below. Have a great weekend. Pool Care Basics

 
Oh, and about that brown stuff. Hopefully it's just dirt, but if you start to see a high chlorine demand, consider doing an Overnight Chlorine Loss Test to rule-out algae.
Well you called it. It’s not just dirt. So onto my first attempt at a SLAM.

Question is. During the 24/7 pump running. Low speed or high speed?
 
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