Your numbers are perfect, so unless you have reason to think you have algae, I'm guessing it's all sediment. You may want to vacuum the bottom to waste, see if that helps.
If not, it's maybe time for a flocculant. Here's a good one that won't mess things up. Put in a quart of Polyquat algaecide--nothing but polyquat.
It will say "Poly...<something>...60%" and the rest inert ingredients. Don't worry about the title--yellow algaecide, mustard algaecide, black algaecide--just that it's polyquat 60%. It doubles as floc and won't hurt your water in ANY way. The ONLY side effect is your chlorine will drop and you'll have to boost it.
Polyquat is mostly a preventative, but it does floc as well, and it's safe. The WORST is you'll buy a quart of the stuff.
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