Cloudy green water, with a good Saturation Index

[Anonymous European in the US]

Hi guys,

Hoping for some help with a problem that I just cant wrap up.

My water is cloudy/green, even though my numbers seem fairly good and give an almost 0 Saturation Index on the Taylor test wheel. I am running the pump 24 hours continuously, with a new Pentair Cartridge Filter. I can just about see the drains in the deep end. Pool is 4 years old, never had this issue before. I am frequently vacuumin gout yellow particles from the steps, which I assume to be pollon.

15,000 gallon salt pool with Clormatic cell and infloor cleaning system in Florida.

Here are my numbers taken from a Taylor 2600 test kit.

Total Alkalinity 100ppm
Calcium hardness 200ppm
Free Chlorine 5.0
Combine Chlorine 0
PH 7.7
Cyanaric 70ppm
Water temp 88F

I have tried reducing Chlorine to around 3, raising it to around 8. No change.

I have also added InTheSwim Super Clarifier with no change.

Thanks for any suggestions.