Pool SOS

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If you see any crud, It needs to go. You’d rather have to add fresh water than that crud using your your FC which is much better served clearing the water itself.

You can cheat a good deal by sweeping it all to a greneral area. It poofs of course but with a little trial and error you can steer the cloud. If you’re gentle enough you can get it to one area. Give it a bit to settle and go back for what you missed. It might even take several tries, but then you can do a quick vac just in that smaller area and save a lot of water.
 
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You can vac to filter- it doesn’t have to be to waste. You have a good sized filter comparative to your pool volume.
Just Backwash when pressure rises 25% over clean pressure.
You added some dichlor correct?
If so you’re cya is likely now over 30ppm so I would aim for 16ppm fc & assume 40 as cya.
Slam on 😁
 
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Mdragger88 said:
You can vac to filter- it doesn’t have to be to waste. You have a good sized filter comparative to your pool volume.
Just Backwash when pressure rises 25% over clean pressure.
You added some dichlor correct?
If so you’re cya is likely now over 30ppm so I would aim for 16ppm fc & assume 40 as cya.
Slam on 😁
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I tested cya this morning after adding water and it is 40. Good call.

I started out vacuuming to filter but the return water was looking gross so i did to waste today. I'll start out to filter tomorrow and see how it looks.
 
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Athas08 said:
I tested cya this morning after adding water and it is 40. Good call.

I started out vacuuming to filter but the return water was looking gross so i did to waste today. I'll start out to filter tomorrow and see how it looks.
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I foresee a problem if when you vac through the filter the return water can NOT be gross. If anything the return will be minimized and PSI on the filter up.
 
Athas08 said:
I tested at 320 and the FC was 10.5. Tested again at 340 and the FC is 10.5. Suggestions
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The way I’m reading this you tested twice 20 mins apart and didn’t lose any FC. Is it a typo or did autocorrect rear its ugly head ?
 
Athas08 said:
No autocorrect malfunction, just a brain malfunction
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If I point a finger at you, There’s 3 fingers on that hand pointing at ME. Not gonna go there. Good show. Carry on. :ROFLMAO:

Athas08 said:
at 3:20 I added 32 oz of chlorine and then it stayed the same 20 minutes later.
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Gotcha. You added, tested to verify the add and nothing changed from the first test.

With the pump running you should have easily seen the add 20 mins later. Even if the bleach was weaker you’d see something.

Whenever my tests didn’t make sense, I slowed it down and really concentrated. Most of the time I was the culprit doing too much at once. It becomes so second nature that it’s easy to lose focus. But it’s not rocket science you say ?? I agree. Slow it down and make sure that bottle is totally upside down with slow, gravity fed drops.

Hoepfully the next one makes sense.
 
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Newdude said:
If I point a finger at you, There’s 3 fingers on that hand pointing at ME. Not gonna go there. Good show. Carry on. :ROFLMAO:


Gotcha. You added, tested to verify the add and nothing changed from the first test.

With the pump running you should have easily seen the add 20 mins later. Even if the bleach was weaker you’d see something.

Whenever my tests didn’t make sense, I slowed it down and really concentrated. Most of the time I was the culprit doing too much at once. It becomes so second nature that it’s easy to lose focus. But it’s not rocket science you say ?? I agree. Slow it down and make sure that bottle is totally upside down with slow, gravity fed drops.

Hoepfully the next one makes sense.
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So this time FC was 10, added the recommended chlorine, 34oz, and 20 minutes later FC was 12. The recommended amount was supposed to raise it to 16, right?
 

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35 oz of 12% bleach gets me +6 for 5500 gallons per my pool math.

Maybe the bleach bottle sat outside too long at the store / in shipping. What’s the date code ? Should be 21XXX and then possibly keep going with #s.
 
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Newdude said:
35 oz of 12% bleach gets me +6 for 5500 gallons per my pool math.

Maybe the bleach bottle sat outside too long at the store / in shipping. What’s the date code ? Should be 21XXX and then possibly keep going with #s.
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I looked and couldn't find that kind of number on the bottle but they come in a case and the box has a stamped number that looks like it says G2041
 
Athas08 said:
I looked and couldn't find that kind of number on the bottle but they come in a case and the box has a stamped number that looks like it says G2041
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I seem to remember one of the brands did away with the easy dating.

If I swap pool math to 6% I get 3ppm for 34 ounces. Much closer to what you saw. The only thing in the pool that would eat FC that fast is amonia and it would probably eat most / all your FC. So I’ll go with weak bleach here.

Is it the first bottle in the case or did you use other bottles from it without issue ?
 
Newdude said:
I seem to remember one of the brands did away with the easy dating.

If I swap pool math to 6% I get 3ppm for 34 ounces. Much closer to what you saw. The only thing in the pool that would eat FC that fast is amonia and it would probably eat most / all your FC. So I’ll go with weak bleach here.

Is it the first bottle in the case or did you use other bottles from it without issue ?
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First bottle from the case. I just tested and it's 13.5, so up just a little more. I've been using this same brand and i haven't been seeing increases like i expected. But i haven't been checking within 30 minutes so I just thought it was sun or algae. I'm going to start checking 15-30 minutes after each addition. If the bottles are consistently weak, I'm going to switch household bleach because it's cheaper.
 
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So let’s go over the typical date code for whenever you’re getting more. It will be the year followed by the day #. (1-365). You can Google the ‘Julian day #’ right in the store. Take today, July 30th is the 211th day. So if it was made today the # on the bottle will say 21(211). I added parentheses because the 2s and 1s made it tricky. Of all days to pick, today is 211. Lol. Sometimes the #s have spaces and/or keep going with random #s. If you see a 20, It’s from last year.

You really want 3 months or less.
 
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Newdude said:
So let’s go over the typical date code for whenever you’re getting more. It will be the year followed by the day #. (1-365). You can Google the ‘Julian day #’ right in the store. Take today, July 30th is the 211th day. So if it was made today the # on the bottle will say 21(211). I added parentheses because the 2s and 1s made it tricky. Of all days to pick, today is 211. Lol. Sometimes the #s have spaces and/or keep going with random #s. If you see a 20, It’s from last year.

You really want 3 months or less.
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I'm going to take the unopened case back. I'm not paying $6 a gallon for half strength bleach. I'm also going to ask them if that's the date.
 
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Athas08 said:
and I'm sure about the volume.
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Actually that’s a GREAT point from @Bperry The manufacturer of your above ground pool lists the full to the brim gallons of the pool. You are 5(?) inches below that and give or take thats 10% less than the manufacturer claims. (Unless you calculated yourself with actual water depth).

The irony here is if you had 500 less gallons than you think, the bleach would add *more* ppm.
 
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