Hi, and welcome!
I think I can help. We call them "silly strips" because you'll go silly trying to get an accurate reading from them. FC is usually the most accurate and pH is sorta OK. Alk and hardness get pretty vague, and CYA NEVER reads close to the proper test.
I suggest you take a sample to a pool store, but don't buy anything. Then you'll need to get a proper test kit, which, for the $50-$70 they range is cheap. We recommend the Taylor K-2006 and you can get it via Amazon by clicking on the sig line of one of 3 moderators: PoolDoc (actually the owner), Watermom, or aylad. If it's from Amato Industries via Amazon, they send the right one everytime.
Meanwhile, I'll be your CYA level is higher, but even if it's not, you can't get rid of algae and clouds until you raise FC to at least 12. I would take it to 15 because if the CYA is what I think it is, you'll need it at 15. Even if it's not, 15 won't hurt a vinyl-lined pool.
To get it to 15, you have to increase your FC by 11 points. Every gallon of 6% bleach should raise your FC by about 5 points, so just about 2 gallons of bleach should bring your level up to a proper shocking level. You'll have to add more bleach to keep it there for a while.
Next, go read our sister site, poolsolutions.com and get all the knowledge you can. And keep running that filter 24/7
Carl

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