You should have washed the substrate (flourite and or sand) before adding it into the tank, personally I would drain the tank, put the fish in a bucket and start over, or it will take a week or 2 maybe more for that cloudyness to go away. especially without a filter.
I put whatever substrate I use in a 5gal bucket and wash it with a water hose using my hand to dig and stir as bucket fills/pour/repete over and over till its clean, takes a bit of time and alot of water, but once you finish place it in tank fill tank carefully and water is crystal clear.
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