Ok. So if the googly eye at the bottom of the tube is still staring at you when the tube is full, you're sub 30ppm CYA. I'm guessing I'm in the twenties. Cause I did add a couple pounds after I changed the water...
The clouds will not part...
- Thread starter saabmob
- Start date
Can we go over the process where I add chlorine to find out if my water will hold chlorine or eat it? I'm pretty sure it holds it because it took forever to come down after I added a gal of 12.5% forgetting that it wasn't the 10% strength I had been using before I got hip to you guys. Ready to do that now.
- Jun 24, 2021
- 15,974
- Pool Size
- 29000
- Surface
- Vinyl
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-60 Plus
Add 10ppm of liquid chlorine. Test 30 minutes later. If it is 3ppm or above, you do not have ammonia.
I don't think you do, if your chlorine held for over 30 minutes, you are good to go.
I don't think you do, if your chlorine held for over 30 minutes, you are good to go.
Right plus I did actual ammonia tests. I'm gonna start there though, cause that's kind of like a mini slam to get things underway?
- Jun 1, 2018
- 16,019
- Pool Size
- 26000
- Surface
- Vinyl
- Chlorine
- Salt Water Generator
- SWG Type
- Hayward Aqua Rite (T-15)
Its just a practical, in the field ammonia test really- if you hold fc for 30 minutes you’re good to go & proceed with the
SLAM Process as described in the article.
If it doesn’t hold that indicates ammonia may be present & you just basically do the slam process until fc holds for 30 minutes before adding any cya as described in the slam article.
10ppm is slam fc level for cya levels 20 & below (those with ammonia generally have little to no cya)
Slammed to 10ppm at 10p.
Next day at 6pm
FC 4.9
CC 0.4
pH 7.3/7.4
TA 80
CALC 140
CYANURIC <30ppm
About to retest and add a pound of cyanuric.
Next day at 6pm
FC 4.9
CC 0.4
pH 7.3/7.4
TA 80
CALC 140
CYANURIC <30ppm
About to retest and add a pound of cyanuric.
- Jun 24, 2021
- 15,974
- Pool Size
- 29000
- Surface
- Vinyl
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool RJ-60 Plus
- Jun 1, 2018
- 16,019
- Pool Size
- 26000
- Surface
- Vinyl
- Chlorine
- Salt Water Generator
- SWG Type
- Hayward Aqua Rite (T-15)
With no subscription it will only save your last log (it will replace the previous one).
How did you get an fc of 4.9ppm?
How did you get an fc of 4.9ppm?
- Jun 1, 2018
- 16,019
- Pool Size
- 26000
- Surface
- Vinyl
- Chlorine
- Salt Water Generator
- SWG Type
- Hayward Aqua Rite (T-15)
Just use a 10ml sample & 1 decent scoop of powder- each drop counts as .5 ppm.
Uses less reagents and plenty accurate.
The end point of the test is when there is no further change - there’s no inbetween.
Its either clear or not.
If you're doing dpd and you add your five drops of reagent #3 and it doesn't turn back to magenta, you're done and you're CC is 0.0 correct?
Also I have added 5lbs CYA. One pound at a time. This should have put me at 30 but the black dot won't disappear even with the test tube full...what's up with that? I'm REAL gun shy after draining and filling the pool not to overdo the CYA. My guy's pool had 120ppm CYA before we drained it lol.
- Jun 7, 2024
- 410
- Pool Size
- 7300
- Surface
- Vinyl
- Chlorine
- Salt Water Generator
- SWG Type
- Intex Krystal Clear
CYA can take a couple of days to fully register. You do have to be careful with it.
With the sock. Then I massaged it out of the sock right in the skimmer basket the next day.Correct.
How did you add it ?
It can take a week to register if enough gets trapped in the filter. It sounds like you've been adding it longer than that though so at least most of it should have registered by now.
Unless the filter was cleaned / backwashed in the meantime.
I'm glad you told me that. I added another pound but I'm going to wait and see a few days before adding any more.
This is how I roll. It registers quick and I don't have to worry about the pump shutting off while the CYA is soaking in the skimmer because you KNOW that'd be the time for a random failure.
www.troublefreepool.com
How to add large batches of CYA
Hey Folks !!! With a large pool, I need 4lbs of CYA to only raise it 15, and I don't think I have that many socks without holes in them. So I use a Tshirt. Plus, I like that it's doubled up for redundancy. But it can also be scaled down with socks. So I measure out my dose and...
www.troublefreepool.com