Hi folks,

New pool owner here. Opening pool which is a nice dark green color.

As soon as I start the pump and the filter fills with water, I start to add DE. It's supposed to take 6 lbs of DE, but by the time it has 1-2 lbs in it, the pressure is above 10 PSI (about 12 PSI) which it then says it needs a backwash (which I perform along with a drain).

Now, I knew I was going to need to do several backwashes, but I did at least 10-15 in a 2 hour period. Pretty much it would need it within 1 minute of operation. I've gone through an entire 25 lb bag and the pressure and timing isn't letting up.

I didn't even shock it because I knew I was going to run out of DE before I'd be able to let it run overnight. The skimmer basket and pump basket are free of debris.

So tomorrow, I'm gonna buy a 50 lb bag. Should I just stick with my same course of action (start pump, add 1-2 lbs of DE, notice it's at 12 PSI within the first minute, perform backwash, begin again), or is this not normal?

FYI: It's an inground pool with a Hayward EC-65 filter and Hayward Super Pump. Thanks!