Can this be right?

I watered my plants today with 3 gallons of distilled water. Mixed in it was fox farm big bloom, fox farm grow big, and cal mag plus. All were just a bit under the maximum recommended for general feeding as I don’t want to over do it. These are being grown in coco with earthworm castings and mushroom compost. I received my TDS meter today and so I am a novice at that. When I checked my water with the nutrients in it was about 850 ppm. When I checked the run off it was around 2500 ppm. Isn’t that too high? I thought it should be lower once it ran through the soil.

Let my add that the 3 gallons was mixed and split among 8 different plants. Not 3 gallons in one pot.

What size pots are those and what soil are they in???

That would explain the 2500 ppm of the runoff.

So is that ok for it to be that high or should I change something? Don’t want to replant them but I can if need be.

They are in 4 gallon pots. A mix of coco, earthworm castings, and compost.

They are fine