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So about how much will I need to add to keep the chlorine level ~10 ppm? My CYA levels are fairly high, around 100, so I need to keep my FC pretty high as well. I have a ~24k gallon IG pool, and I have been using trichlor tabs for the past month or so. The pool calculator is telling me about 3...

How long do you have to wait to swim safely after adding 2-4 gallons of bleach? Also, can adding bleach damage the pool liner?

There's a ton of sand along the bottom of the spa. Is it possible to drain an in ground outdoor spa? What's the best way to clean the spa? It is a gray color, while the pool is clear and blue.

There is this faucet type thing where the pool motor is. Can I hookup a hose to that and just run the motor to drain? I don't want to risk anything by draining large amounts of the water with a sub pump. Also, could it be possible that the pool CYA level is actually much lower than what the pool...

If the CYA actually turns out to be 100ish, will I need to drain and refill the pool? And how does one actually go about doing that? - - - Updated - - - Also, the pool guy insisted that I add 10 pounds of alkalinity plus to raise my TA by 10ppm. I'm starting to get very wary of these pool...

The only test kit I own is one that only shows FC and pH. The results came from a local pool store. They are as follows: FAC: 0 TAC: 0 CH: 330 CYA: 100 TA: 70 pH: 7.6 Copper: 0 Iron: 0 Now from what I understand, I can take these results with a grain of salt. I will purchase a test kit as soon...

Hi all, I am a new pool owner. Recently, I got my chemicals checked and I noticed that my pool has 100ppm CYA. What should I do? Also, does this mean I need to keep the FC levels higher in order for the pool to be safe to swim in? Its currently around 7 ppm FC.