How to take apart this light?

henryforever14

Well-known member
Jun 1, 2023
72
Syracuse, NY
Pool Size
16000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Autopilot Digital PPC3 (RC-42)
I’ve been dealing with this algae problem for a while. The pool has been crystal clear for a week now. But every day there is sand/dirt/dead algae along the seam of the floor and when you touch the wall using your hand, it feels like sand on the wall. (However, nothing is visible on the wall.)

Free chlorine is basically nonexistent when I test it.

Here is the number:

Free Chlorine 0.2ppm
Total Chlorine 0.2ppm
Cyanuric Acid 40ppm (very close to 30, but I will slam according to 40)
PH 7.5
TA 80
CH 160

I am testing using Taylor K2006C that I just got it today. (I’ve got to hand it to my local pool store—-I brought the water to them for testing immediately after I used Taylor, just out of curiosity. They are very close to what I got. )

After reading through multiple postings here, I wanted to take the pool lights off to properly clean it. But my pool light does not seem to have any screws… I tried twisting it, but it won’t budge either. Has anyone seen this before? I am attaching a pic.
 

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I suggest pool school. You are treating a symptom of a much larger issue. I suspect your normal chlorine level is way too low. When you have algae the root of the problem is always too little chlorine.

Pool Care Basics
 
I suggest pool school. You are treating a symptom of a much larger issue. I suspect your normal chlorine level is way too low. When you have algae the root of the problem is always too little chlorine.

Pool Care Basics
I am not ignoring the chlorine problem.

As I said in the original post, I am going to SLAM.

What I am doing is making sure the SLAM will not miss a spot and algae just keeps coming back after SLAM (as I’ve seen in many other posts).
 
I am not ignoring the chlorine problem.

As I said in the original post, I am going to SLAM.

What I am doing is making sure the SLAM will not miss a spot and algae just keeps coming back after SLAM (as I’ve seen in many other posts).

What chlorine level do you usually target?

FC/CYA Levels
 
I would do a full blown slam and see if the light is suspect meaning that you're losing the slam level after some time. There are other areas that can have algae that are more accessible such as the skimmer mouth, weir door, ladders and the skimmer basket area which can have just enough nasties to mess with a slam.
 
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What chlorine level do you usually target?

FC/CYA Levels
I am aware of this. And plan to do it.

I inherited this pool from the previous owner. I opened it 13 days ago and I had been traveling after I got it clear and had only got back yesterday. That’s why I am still in trial and error with this pool. For example, I am still figuring out what the current setting I should put on the SWG.

I’ve been reading up all the posts and all the articles in TFP. That’s why I bought the K2006C.

I am currently waiting for the pool guy to come in tomorrow and help me loosen the filter drain. Last time I opened the filter and cleaned the cartridge, I discovered a pile and sand on the bottom of the filter housing. (No, it’s not a sand filter.) I wanted to get those out, but the drain valve is stuck and I could get those out. I am also not sure if it’s sand or algae in the filter housing. I could throw in chlorine at the moment, but I figured that would just be a waste of money and they would just react with whatever is in the filter housing and go poof.

Like I said, the water is crystal clear. I figured I could get by for another day and do this after tomorrow. I plan to SLAM and then maintain at least the minimum operating chlorine level.
 
I would do a full blown slam and see if the light is suspect meaning that you're losing the slam level after some time. There are other areas that can have algae that are more accessible such as the skimmer mouth, weir door, ladders and the skimmer basket area which can have just enough nasties to mess with a slam.
Yea, I’ve seen these in other posts. But does any one know how to take this light out and clean?

If no, I will obviously do what I planned to do still. But, if I can take it out, then just one less thing to suspect.
 
@henryforever14, getting back to your original question, those look like the small 3.5 inch LED (nicheless) lights right? If so, you shouldn't need to remove them. But if they are something else let us know.
Thanks for answering my original question. This is nicheless for sure.

I saw something between the clear glass and the white ring that my brush couldn’t really get to. That’s why I wanted to take it out. But I could be seeing something that’s not there. (If you are from the east coast, you will know it’s not really safe to work outside these days. It looks end of the world right now outside.)

Thanks again for answering. I will do the other things I can and proceed with the SLAM.
 

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At most, that outer ring might unscrew or twist off, but I don't think the light itself is designed to be removed. I may be wrong, but that's my story and I'm sticking to it. :hammer:
Yea, even the outer ring is stuck. I tried to twist it, but it’s a smooth surface, so….
 
I saw something between the clear glass and the white ring that my brush couldn’t really get to. That’s why I wanted to take it out.
My LEDs have a clear lens that twists off, but that's it. It's tight though, and I get nervous trying to remove it as I don't won't to break anything.

Yea, even the outer ring is stuck. I tried to twist it, but it’s a smooth surface, so….
That being the case, maybe just let sleeping dogs lay as they say. Or we can come back to that later if needed.
 
My LEDs have a clear lens that twists off, but that's it. It's tight though, and I get nervous trying to remove it as I don't won't to break anything.
EXACTLY! Especially this involves electricity in water lol
That being the case, maybe just let sleeping dogs lay as they say. Or we can come back to that later if needed.
 
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Wonderful! Thank you all for identifying this light.

I am still having a hard time twisting it off, but I will do the other things first and hope for the best.
 

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