OK Carl, I shocked to 12 last night and will check and shock to 12 again tonight. I also added the remainder of my CYA, roughly 2 lbs. I'll post back my results. Hopefully this will slow down the bleach use.
OK Carl, I shocked to 12 last night and will check and shock to 12 again tonight. I also added the remainder of my CYA, roughly 2 lbs. I'll post back my results. Hopefully this will slow down the bleach use.
What I'd do in this case is to shock to 12 at night. Add you bleach, circulate and test before you go to bed. See if you really hit the number you were aiming for. Then, test again in the morning before the sun comes up. This will eliminate the sun as a factor. If your Cl drops overnight still, then yes, you are fighting something. If not, it's just the sun burning it off.
Michael
We didn't get home until late tonight. I tested about 10:45 and my FC was down to 2, and this was after adding 5 jugs of bleach yesterday. I added 2 in the morning when I tested to get it up to a safe swimming level, then added 3 more at night. Unfortunately, I wont be able to test again tonight as work calls tomorrow AM. I will test when I get home tomorrow and add bleac at sundown, recheck in an hour, then check early Wednesday AM.
OK, I added 5 jugs of bleach last night, and my FC is now 4 PPM. I am going to add 4 jugs to try and get my level to 12 PPM. I will test an hour after adding to see where I actually am and post results back. I think I lost about 8 PPM from last night to now.
Added 4 jugs of bleach @ 9:45, FC was 4, 21k IG oval vinyl pool. Should take me to 12 PPM. I am going to check in an hour or so-is this long enough for the bleach to circulate and mix?
mmm, should be.
At 11:10 I tested again and have 14 PPM FC. I was at 4 PPM and added 4 jugs of bleach to get me to 14, so 3 qts raise me 2.5 PPM. I will check in the morning before the sun starts bearing down on my pool and see if it holds steady overnight. Hopefully if I was fighting something, even though my CC has been 0, this will nuke it.
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