Hi all!
Seasonal pool owner here-- and no expert. Little history-- last year was my first year with this pool, and followed pool store advice. Year two: when setting up the pool, went to the pool store to discover it had closed! So TFP methods it is! This season has gone smoothly up until yesterday. I have the intex SWG that comes with the vinyl AG pool, but it isn't totally reliable-- I have to keep the salt levels at 1,000ppm for it to work (fought it all last year at "the correct level" with a near-constant error message of "high salt". So I consider the SWG as a supplement to LC; on days when we don't swim, it maintains the FC.
Anyway-- current challenge:
Two days ago, we went to swim to discover a "green dust" that swirled when the water was agitated. We don't have any trees over the pool, and we have a solar blanket that is on it when we aren't swimming, so I am assuming that it is algae. However, there is not even a tiny bit of sliminess on the pool walls or floor. (Last year, we experienced the slimy algae.) Also, my FC hasn't dropped below 7 in three weeks (we had a pool party 5 weeks ago that caused some numbers to fluctuate for about 2 weeks, but I've been getting CC of 0.5 or less consistently for three weeks).
Sat: before entering pool 4pm: FC 10 CC 0.5 pH 7.5
Entered pool: observed "green dust" and made sure to agitate all of it to increase FC access and to check for sliminess (of which there was none).
9:30 retest: FC 9.5 CC 1.0
Sunday afternoon: added some Miratic Acid and, an hour later, added 2 cups LC to keep from getting worse until I could tackle the SLAM)
5:00pm
FC: 13.5
CC: 0 (yes, zero. I can't figure this out-- water is cloudy and green)
pH: 7.3
TA: 90
CYA: 70
added 128 oz of 10% LC to raise it to 35 (overshooting the SLAM level of 28)
6:30pm
FC: 23
CC: 0
I can't figure this out-- I clearly have something in my pool that needs to be killed, but every time I keep getting a CC of zero. I've gotten CC levels of 1 or 0.5 on previous tests, so I know what a positive result should look like. The reagent is basically new (expires 9-20). I have R-0870, R-0871, and R-0003. The remainder of my tests are done from the hth 6-way test kit.
Anyway, added 5 cups of 10% LC and turned on my SWG to maintain levels overnight.
This morning:
FC: 29.5
CC: 0
The cover had been on all night-- how in the world could my CCs be zero?
No visible green in the pool-- nothing moves when agitating the water, and very lightly cloudy.
Two questions: what is growing in my pool? (research on TFP indicated possible mustard algae)
Why on God's green earth would my CCs be zero in a situation like this?!?
Thanks all for your help!
~Janet
Seasonal pool owner here-- and no expert. Little history-- last year was my first year with this pool, and followed pool store advice. Year two: when setting up the pool, went to the pool store to discover it had closed! So TFP methods it is! This season has gone smoothly up until yesterday. I have the intex SWG that comes with the vinyl AG pool, but it isn't totally reliable-- I have to keep the salt levels at 1,000ppm for it to work (fought it all last year at "the correct level" with a near-constant error message of "high salt". So I consider the SWG as a supplement to LC; on days when we don't swim, it maintains the FC.
Anyway-- current challenge:
Two days ago, we went to swim to discover a "green dust" that swirled when the water was agitated. We don't have any trees over the pool, and we have a solar blanket that is on it when we aren't swimming, so I am assuming that it is algae. However, there is not even a tiny bit of sliminess on the pool walls or floor. (Last year, we experienced the slimy algae.) Also, my FC hasn't dropped below 7 in three weeks (we had a pool party 5 weeks ago that caused some numbers to fluctuate for about 2 weeks, but I've been getting CC of 0.5 or less consistently for three weeks).
Sat: before entering pool 4pm: FC 10 CC 0.5 pH 7.5
Entered pool: observed "green dust" and made sure to agitate all of it to increase FC access and to check for sliminess (of which there was none).
9:30 retest: FC 9.5 CC 1.0
Sunday afternoon: added some Miratic Acid and, an hour later, added 2 cups LC to keep from getting worse until I could tackle the SLAM)
5:00pm
FC: 13.5
CC: 0 (yes, zero. I can't figure this out-- water is cloudy and green)
pH: 7.3
TA: 90
CYA: 70
added 128 oz of 10% LC to raise it to 35 (overshooting the SLAM level of 28)
6:30pm
FC: 23
CC: 0
I can't figure this out-- I clearly have something in my pool that needs to be killed, but every time I keep getting a CC of zero. I've gotten CC levels of 1 or 0.5 on previous tests, so I know what a positive result should look like. The reagent is basically new (expires 9-20). I have R-0870, R-0871, and R-0003. The remainder of my tests are done from the hth 6-way test kit.
Anyway, added 5 cups of 10% LC and turned on my SWG to maintain levels overnight.
This morning:
FC: 29.5
CC: 0
The cover had been on all night-- how in the world could my CCs be zero?
No visible green in the pool-- nothing moves when agitating the water, and very lightly cloudy.
Two questions: what is growing in my pool? (research on TFP indicated possible mustard algae)
Why on God's green earth would my CCs be zero in a situation like this?!?
Thanks all for your help!
~Janet