It will settle in time, I just found that if I do it this way I can get clear water in less than 24h.....
You got to be really careful putting water in the tank and this can be hard...lol.....I have made lots of messes because I was not careful enough and disrupted the soil bed and one I didn't get all the perilite out and that stuff floats and looks ugly..lol...doesn't hurt anything...just looks bad
And even when you are careful you can still get some soil in the water column that you have to net out for several months sometimes......
Yes, when I first set up a NPT-I add the soil and then just cover the soil with a little water and then add the sand cap-I don't rinse the sand-so it goes in dry, I then add enough water to an inch above the sand and then plant. I then fill up careful not to disrupt the soil/sand....and then I siphon about half the water off and replace a couple of times and then let things settle a bit and then I turn a filter on and add fish if the temp is stable.
At this point I would siphon half the water and re-fill and repeat until mostly clear
Have you planted it, if not, siphon most of the water and plant first and then make the back to back water only changes
I would get any type of stem plant-they are usually sold in bunches of 6-10 stems, lots to pick from, sword and marimo balls will not be enough to make a soil based tank fish safe
Here is a link for you to look at some stem plants and to get names of what appeals to you...okay it won't let me post a link..so google sweet aquatics or any aquatic plant site and look at the plants and read more about them
Remember you need at least 80+% of the floor planted in stem plants with soil based tanks to start, some can be removed later as the tank matures.