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So, I had not been SLAMing. Just testing and adding liquid chlorine, and if anything it seemed like the general rate of chlorine required had declined from the peak in the summer. Just tested and confirmed the FC level is not dropping quickly at all. @Jennilhoo - Been many years, but do you...

Moved from here. This is a great thread and seems entirely applicable to my situation. I'm attaching some photos of I'm observing. I vacuumed everything up last night, and this morning there seems to be a small amount that's accumulated. I'm going to try: Checking the ladders and lights for...

So, this beginner post seems great... I didn't read it all just now, but I've either read the same post, or a dozen other similar ones, and I'm fully sold. I'm an enthusiastic app user. I'll admit, when I was first told about this site as a very new pool owner I gave a passing thought, but...

FYI, I've replaced my 820. See my initial impressions here - Pentair 930 Robot Pool Cleaner - First Impressions

Dropping some notes in here to capture my perceptions of the Pentair 930 (aka Doheny's Mercury = Dolphin Active 30i = Dolphin S300i = Dolphin Triton Plus (2017 and Later) = Pentair Prowler 930 = Dolphin Proteus DX5i). Previously I had a Pentair Kreepy Krauly 820 Prowler. I purchased this with...

I'm wondering if anyone has any debugging advice here. I have the Pentair Prowler 820 (from what I read "Dolphin Nautilus (2016 and Prior) = Pentair Prowler 820 = Dolphin Quest = Dolphin Thunder 10" ). It has run well for about 5.5 seasons. Up until this past weekend it was fine. Now it...

Interesting.... I can see already cloudy water skewing the results... interesting to hear what the pros think too!

UPDATE: * Tested my FC level about 2 hours ago with my home kit and there was zero chlorine. This was after adding ~2x my normal amount 4.5 hours earlier (2.4L). This freaked me out big time, based on the replies above. The replies above made me worry I was actually very wrong about "the...

Thanks for the helpful (and funny!) responses.... I *think* I can relax my "dot scrutiny" enough... more of a "glance" than a "stare".... if that's the case, maybe I'm way too high on CYA. Going to head to the pool store for some chems and a test...

TFP Friends - I think the key question I have here is whether my black dot has disappeared (see picture below)... I have other sub-questions I would love to hear feedback on. If that dot has disappeared, then I'd say my CYA is around 40, which I believe is too low and might explain how much...

Found this article. Tried the "counter clockwise twist" and it came off easily. Here's a few pictures of a full jet.

Sorry, somehow didn't see these replies, and I'm not able to get one of the non-broken jets off to get a complete picture. These are the pics I have of the broken one, although I'm guessing you need to see the whole thing? Any suggestions on how to safely remove the jets? I'm afraid to pull...

We had a jet on our spillover Spa break during opening. I can't seem to get a handle on how to source a replacement with my Google-fu. We *think* it's a Fox Pools Spa. I see some pictures of jets that *look* like ours... ish. Are the jet connections universal, or at least there are only a few...

Yes for sure! This is a no-brainer for me. I've made my donation. Wondering if someone can give me a sense for what to expect with this question: "Under "steady state" (with no algae problem, CYA at target level) what kind of schedule do people get onto with adding chlorine? Is it still...

I have a Hayward Tab feed chlorinator... only put 5 tabs in 11 days ago and they were still 70% whole when I looked 2 days ago. I've been using mostly liquid chlorine. Under "steady state" (with no algae problem, CYA at target level) what kind of schedule do people get onto with adding...

Quick Update: Regular TFP "Way" Testing: Been testing my pool regularly (FC+CC+PH twice a day). I'm out of the CYA testing re-agent already (only had enough for 3 tests), but from the first few tests it seemed very low (tracked it as CYA==20). pH/TA Started tackling a high pH (>8) and...

Thanks for the tips!... I'm not sure I even have muriatic acid, but going to check now. What about daytime/nighttime? I'm thinking if I have what I need to lower pH I'll put that in now (afternoon) and I can add liquid chlorine tonight after sunset. Definitely adds! Helps to have the extra...

Awesome, thanks @kimkats! It was pretty cold water (although my kids still jump into it ?). The solution in the bottle was a tiny bit cloudy... but for interests sake I'll try warming it up. We've had a bit of precipitation in the last day (1/2 inch of snow maybe). pH - I'll focus on...

Oh, I guess the OCLT is something I should do?

Alrighty then... my K-2006 arrived today and I took my first stab at a set of tests. Here were my results: NOTES: Combined Chlorine/CC - I also did CC and it *seemed* to be zero. Solution never turned back to pink. CYA - I'm having a hard time believing the CYA is approaching zero given the...