It sounds like you're getting there.
Yeah, lower your water to something approaching what Panman said...figure the water level out by height of pot. 6" pot...maybe 5" deep??? If 5" deep then around 1/2" deep water. Let the tray go dry for a day or so in between waterings. Top-watering is good every now and then...it helps to pull oxygen down into the grow mix. Let the water drain through into the tray...let it sit a few hours then dump that drain water and bring the water level in the tray up to the 1/2" mark with fresh water.
Sometimes pots have flat bottoms and the tray used has a flat bottom...this can actually block the pot from allowing a free flow of water. Some pots that I use have a several small indentations around the bottom edge to allow for this. The ones that don't have the indentation I usually drill four holes in the side, just above the bottom, to make sure the pot drains and takes water with no trouble. Sometimes the trays have ridges in the bottoms that prevent the pot bottoms from being blocked. Just something to be aware of.
I usually rinse my peat, perlite, sand, LFSM, etc.,. I'll rinse the peat moss two or three times. A 5-gallon paint filter bag (Lowes/HomeDepot/etc) makes rinsing much easier. Rinsing the mosses can help reduce the incidence of unwanted mold/mildew/odd plants/etc.,. Perlite is a different critter.
When processing perlite the companies keep it wet to help keep the dust to a minimum...and they use whatever water is handy which might be from a pond, ditch, bay, whatever. You will notice very milky drain water with the first rinse, it will get cleaner with each rinse. Remember, those paint filter bags can be your friend!
Be sure to use "safe" (<50ppm TDS) water to rinse with. With a lot of ingredients to rinse this can take a lot of water, but for a few plants it really isn't a problem. Lots of successful growers never wash their ingredients. Just call me "OCD-Me"!
Except for things like seed-starting and cutting-propagations (I use distilled for those), I use rainwater exclusively. It has the added benefit of being acidic, which carnivorous plants do well with. I just think rainwater is the best overall choice...good for the plants and CHEAP (like me!
). When catching rainwater I try to let the first minutes of good rain "go to waster"....I don't catch it. That initial water has all the dust, bird poop, dead bugs, leaves, etc., that has collected on your roof since the last rain...I let that rinse off before catching any water. But, if you can't be there to deploy your bucket(s) then don't worry about it. Even letting the first few minutes of rain go to waste you will still end up with fine debris/sediment in what you collect. I store a lot of water in 1-gallon milk jugs. Before storing it, though, I "filter" it. I do this by putting an old t-shirt across a bucket, adding a coarse towel on top of the t-shirt and then pouring my collected water through the cloth layers and into another bucket. The water comes out looking very clean and seems to store better (not turn green) without a lot of debris in it. I guess it's the "OCD-Me" in me.
Anyhow, that's my speech for the moment.