What is in shock

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I just did my 4:30 check and chlorine dropped 5 points from the 3:30 check. One interesting thing is his pressure side vacuum wasn't running until after I tested at 31.5 I turned it on then to increase water circulation. The cleaner bag is dirty it has about a baseball sized pile of junk in it he said he hadn't cleaned it in awhile. I wonder if that is contributing to the chlorine usage? Anyway, I took the bag off totally and am just letting the cleaner run with no bag to help circulate the water.

SWCG is running at 90% right now.
 
Might pull the cleaner out and let it dry.

The dpd powder is oversized for the kit, you will run out of reagent before powder so don't be skimpy. Normal testing I use one heaping scoops unless it's wimpy then I use two wimpy scoops, a slam I use two heaping scoops.

I do a person speed stir, with my right hand I swirl the vial and drop with my left.

Is there no Walmart where you live? Anything wrong with going there for bleach?
 
Arizonarob said:
PG, is this the same pool you already did a slam on like a month ago? The one that was filled with ammonia?
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Yeah the very same. It was running great for a while but was looking a little cloudy a couple weeks ago. I tested and the CYA was all eaten again and I was registering ammonia. The bleach was forgotten for a few days (this is pre-SWCG) and they let dogs in the pool all the time. I think a combination of low chlorine (it ran out and measured 0 several times) and the dogs (who dig in the dirt and then go directly into the pool) bringing extra nasties in the pool resulted in the current state. We added a SWCG 2 weeks ago and now are working to get the pool back to maintenance levels. With any luck this slam will be over tomorrow.

Is it ok to swim during a slam btw? Just in case this is not done tonight. I am going out now to do my 5:30 test with the speedstir and extra powder. Fortunately I bought the XL option last year and used hardly any of it (my pool is perfect :) ) so I have the 2 bottles of 571 from last year and I bought a reagent refill set this year so plenty of reagent for multiple 60 drop tests.
 
5:30 test and it used another 5 parts chlorine. 49 drops = 24.5FC I used the speedstir it is a lot easier. Unreal! I am almost out of chlorine just 5 gallons left.

I tested CCs this time and 0 CCs. I don't understand that I'd think with this level of usage I would see some CCs.

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Oh I took out the cleaner thing to dry out.
 
If the CYA is gone, you need to get at least 30ppm in the pool or else you'll never be able to keep chlorine in the pool during the day. Are you absolutely sure the CYA is zero? To go from recommended levels to zero would create an unreasonable amount of ammonia - you'd be right back to where you started with this guy in the spring.
 
JoyfulNoise said:
If the CYA is gone, you need to get at least 30ppm in the pool or else you'll never be able to keep chlorine in the pool during the day. Are you absolutely sure the CYA is zero? To go from recommended levels to zero would create an unreasonable amount of ammonia - you'd be right back to where you started with this guy in the spring.
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No the CYA level is 70 right now. It went to 0 again after we fixed the pool and got it going again after the last CYA depletion. It was running well for like a month and then the maintenance dropped and the pool got infected again. We powered through that and neutralized all the ammonia and started over. I tested multiple times CYA is holding at 70 for the past almost 2 weeks.
 
PoolGate said:
No the CYA level is 70 right now. It went to 0 again after we fixed the pool and got it going again after the last CYA depletion. It was running well for like a month and then the maintenance dropped and the pool got infected again. We powered through that and neutralized all the ammonia and started over. I tested multiple times CYA is holding at 70 for the past almost 2 weeks.
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That is highly unusual to have happen like that. As you suggested, if those dogs are getting filthy and then jumping in the pool, the owner needs to correct that behavior or else his pool is going to a constant cesspool. Good luck with the pool, it sounds like a maintenance nightmare ... hopefully this neighbor of yours will come to realize that a little bit of diligence on his part can go a long way to keeping his pool from becoming a money pit ....
 
So - Interesting 6:20 test results! I was reading another forum post about the powder reagent and I have other containers so just for fun I grabbed one of those. I got a good sample of water as low as I could reach, used 2 full scoops of powder, and of course the speedstir. Then got a nice drip rhythm going and measured 35 parts chlorine (70 drops)! So that makes up for what I "thought" I lost before plus what I added. So maybe all is not lost! I will check again in an hour and use the exact same method and maybe this is not as bad as I though.
 

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Although realistically if the 5:30 test was correct, and I added 3 gallons of bleach or 10 parts, and no more chlorine is being used, then 35 parts is what it would be. I did totally take out that cleaner thing if that was the cause of all this then that makes perfect sense.
 
Well poop. Just did a chlorine test and it is at 25. Lost 10 parts in an hour and a half. I did the test twice. Not sure what to do now I used the last 3 gallons. I have my 2 "reserve" gallons but then we are at the cal-hypo again. This pool is BRUTAL!
 
Hey question. If I am off on the cya and say I actually have 60, would the chlorine level drop to 25 on its own due to sun burn? My level never drops below 25 which is the slam level for 60. No?
 
60-70 wouldn’t matter. Losing 10ppm FC in an hour is not at all consistent with a clean pool. I’d expect to see that from ammonia or some green swamp water.

Something is seriously not right here. I think you need to let your FC drop down below 10ppm (you’re out of chlorine anyway) and then do a full set of chemical tests. Something is seriously out of whack here.
 
Yeah agreed this is nuts!! Almost like there is a mouse stuck in the pipes decomposing. But water is great. No smell at all. No ccs. Very low ph I think at this point.
 
More bad news. I tested this morning Chlorine dropped to 12.5 overnight. I have to believe that maybe something died in the pipes. What explanations can there be for this chlorine usage? I don't even think a water change would help at this point.
 
We just played around with the main drain. His plumbing is set up in a way that you can reverse flow to the main drain. So I did that and forced 100% of the return flow to the main drain. A little bit of garbage shot out of the main drains. But when I put the net down to check the flow coming out it hardly moved at all. I am thinking there is some sort of clog in the main drain. I reversed flow back and forth a few times trying to dislodge whatever is down there with no luck. He will dive down later and remove the cover. For now, we totally turned off the main drain and are just running the skimmers. We checked the 2 skimmers and 3 returns and all have very good flow so I do not think anything is obstructing those lines. If the chlorine loss is due to something organic in the main drain, shutting off flow to it should stop the chlorine loss I am pretty sure. We will see! Water looks very nice today and chlorine dropped to a level that should make swimming fine. Although his pH is still very low. Once all is resolved I think a 50% water drain is in order.

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Also just for fun I checked CYA again and it is exactly at 70 no movement at all.
 

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