DE leak???

I’m new to having a pool and learning. How do you know if D.E. is leaking into your pool? When the pump turns on it appears something comes out of the jet for about 15 seconds then stops. Is this just tiny air bubbles? My water is clear. Just dealing with spring pollen dirt. We did dismantle and inspect the filter-all gaskets, fingers we intact. No obvious cracks in anything. Thanks for the insight!

You’re probably seeing a few air bubbles when the system is starting. If DE were consistently coming out of your return jets, you’d see small piles of DE powder on the surface below the jets.

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