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What are you testing with?

Your test kit is far more accurate than a pool store test could ever hope to be. Run through a full suite of tests (use the FAS-DPD powder-and-drop chlorine test, not the comparator block, just to rule out color issues), and provide them like so: pH: FC: CC: CYA: CH: TA: As stated by Marty...

There's nothing wrong with your FC; the target range for 60 CYA is 4-9 NOT 2-4. Being a running a little hot won't hurt anything. During a SLAM with that same CYA, you'd be bringing it up to 24 FC and even that would be safe to swim in, so 11 is fine. Left alone with the chlorinator off, the FC...

Pool techs understand very little about the pool equipment they service and even less about water chemistry or SWCGs. Even at elevated prices for equipment and install, SWCGs beat out liquid chorine every time. There is nothing to "fill" except adding salt after heavy rainfall (overflowing) or...

^^^ That's how I do it, too.

It is inadvisable to jumble equipment from different vendors. Even if something cross-OEM works today, there's no guarantee it will in the future. Jandy has been the most aggressive with this by far. Pick one and stick with it. Jandy automation and Jandy equipment or Hayward automation and...

Be sure to check the expiration dates; I've gotten Taylor stuff off Amazon that were both expired and within a month of doing so. Return it to them and get your money back if they try to do that to you.

A chlorine pool is a salt water pool and vice versa. There is nothing special, except now having to purposely add and monitor salt. Pool store testing is garbage and all pool store opinions should be discarded. What are the results from your K-2006? Do a full suite of tests and post them...

What automation, if any, do you have currently? Can you fill out your signature so we can see what equipment you're working with? You can see mine for an example.

Jim is right. It's certainly possible the Chinesium cell is junk. But without any way to actually test your water, we have no prescription or advice since we don't know what's actually going on. Believe me when I say I understand what it's like to have money be tight. But you're going to spend...

You got it! Let us worry about the water chemistry. Let Pentair find new and interesting ways to sell you new expensive parts. It's all good, there was a lot of brevity in my response, not any attitude, but I see now it probably came off like that. Apologies about that.

Why are you under the impression that 7.5 FC is "high"? With a "55" (actually 60) CYA, the FC should range between 4-9, with 3 at an absolute minumum. Hovering around 4 is a bad idea at that CYA level. Be sure to read the TFP article on the Chlorine/CYA Relationship.

Ignore the air temp, the probe is sitting in the sun. It's about 84 out.

Before you go and spend your hard earned money on a science experiment, are you familiar with the shortcomings of ORP testing?

Same result, I've tried it before.

Taylor also has a vested interest in selling more reagents. Maybe that's why they say to use 2 scoops, maybe it isn't. Maybe they're Raisin Bran enthusiasts. I don't really care what Taylor says in this particular regard because evidence gathered here over many years of testing and my own...

Late to the party, but the only hoses I buy are the Continental (used to be Goodyear) US-made rubber hoses. The heavy son of a guns. They last, and last, and last, and last. Technically, I did install an 82ft Hoselink reel setup for the missus in the front yard after we moved in, and it's nice...

I've noticed there is an enormous difference between 98-99% totality and 100% totality. Back in 2017, we saw it at 98%. We thought that was good enough. It was not. The 100% totality was awesome. I'd love to see that again one day. It was literally like nighttime. At 98% totality it was just...

We got a very, very lucky break with the clouds and could see everything.

Can you show us what your Schedule page looks like?

Reagents are expensive, save them. There's no need for that high of resolution on the FC test. Use 10mL of water and 1 scoop of powder. Then each drop = .5 FC. For example: 10 drops = 5 FC.

Mine definitely smells, especially the phenol red pH reagent.