Check if the blurriness is due to: 1 - micro bubbles 2 - small particles of sand from goby 3 - diatom bloom.
Are you dosing carbon in the form of vinegar, vodka, nopox, etc?
I had a white haze from a distance and just never could get that crystal clear water until I installed a UV sterilizer. I suspect it was a bunch of free floating bacteria. Also my xenia have faded fast and died since adding the uv les than a month ago. That doesnt upset me. Nothing else has been affected and the water is amazingly clear.
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90g Mixed Reef
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