I still can't seem to get a handle on stabilizing my FC levels. My routine is -
dusk - check FC & add chlorine to bring to shock level; recheck FC 1 hour later
dawn - check FC (I usually don't add chlorine during the day because it is still high, but has also dropped several ppm overnight)
Here are the FC readings from the past several days -
Tues.
7:00 pm - 6.5
9:00 pm - 25 (after adding chlorine a little above shock level)
6:00 am - 19.5
Wed.
7:00 pm - 11
9:00 pm - 23.5 (after adding chlorine a little above shock level)
6:00 am - 17
Thurs.
7:00 pm - 10
9:00 pm - 35.5 (tried the goal for Mustard Algae hoping to speed things up)
6:00 am - 27.5
Friday
7:00 pm - 12.5
9:00 pm - 23 (after adding chlorine a little above shock level)
6:00 am - 21
Sat.
7:00 pm - 9.5
Waiting now to check current level in a couple of hours
Here are my other levels:
CC - 0
pH - 7.5
TA - 90
CYA - 45
Clear water
Just when I think I am getting close there is either a big drop overnight or during the day. I understand that there will be substantial FC loss during the day due to the sun, but mine seem to be bigger drops than would be expected. Am I doing what I need to? Is there something I have missed? Sure would appreciate some input.
dusk - check FC & add chlorine to bring to shock level; recheck FC 1 hour later
dawn - check FC (I usually don't add chlorine during the day because it is still high, but has also dropped several ppm overnight)
Here are the FC readings from the past several days -
Tues.
7:00 pm - 6.5
9:00 pm - 25 (after adding chlorine a little above shock level)
6:00 am - 19.5
Wed.
7:00 pm - 11
9:00 pm - 23.5 (after adding chlorine a little above shock level)
6:00 am - 17
Thurs.
7:00 pm - 10
9:00 pm - 35.5 (tried the goal for Mustard Algae hoping to speed things up)
6:00 am - 27.5
Friday
7:00 pm - 12.5
9:00 pm - 23 (after adding chlorine a little above shock level)
6:00 am - 21
Sat.
7:00 pm - 9.5
Waiting now to check current level in a couple of hours
Here are my other levels:
CC - 0
pH - 7.5
TA - 90
CYA - 45
Clear water
Just when I think I am getting close there is either a big drop overnight or during the day. I understand that there will be substantial FC loss during the day due to the sun, but mine seem to be bigger drops than would be expected. Am I doing what I need to? Is there something I have missed? Sure would appreciate some input.