Salt Water test level’s wacky

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R

RonR21711

New member
Jul 21, 2024
4
Virginia
Pool Size
50000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Autopilot Digital PPC4 (RC-52)
Hi. The 50k gallon salt water pool in VA has been open for three weeks. It’s been covered with an automatic safety cover 90% of the time due to cool weather. The water is very clear but I have some wonky test results and am new to this.
5/11/25 - CYA 38-40, Ph around 8, FC 26ppm, CC 0, TA 60

CYA seems low and chlorine is off the charts. I’ve opened the cover today to let some sunshine to it thinking that will help and then test again tomorrow. Thoughts?
 
RonR21711 said:
Hi. The 50k gallon salt water pool in VA has been open for three weeks. It’s been covered with an automatic safety cover 90% of the time due to cool weather. The water is very clear but I have some wonky test results and am new to this.
5/11/25 - CYA 38-40, Ph around 8, FC 26ppm, CC 0, TA 60

CYA seems low and chlorine is off the charts. I’ve opened the cover today to let some sunshine to it thinking that will help and then test again tomorrow. Thoughts?
Click to expand...
How are you testing? (The 38-40 specifically) the Taylor tests don’t have that kind of resolution.
 
RonR21711 said:
CYA seems low and chlorine is off the charts. I’ve opened the cover today to let some sunshine to it thinking that will help and then test again tomorrow. Thoughts?
Click to expand...
Welcome to TFP!!!
Cya will be low in spring as it degrades over the winter.
As for FC...
Your SWG is set for normal sun and you have had cover on, so FC rose, OR
Your reagents are old/degraded. When they are old degraded, it takes more drops for the reaction to occur, OR
You *might* have a little static charge on the tip, making the drops smaller. Wipe the tip once with wet paper towel before using liquid reagent.

How have you been chlorinating so far?
 
PoolStored said:
Welcome to TFP!!!
Cya will be low in spring as it degrades over the winter.
As for FC...
Your SWG is set for normal sun and you have had cover on, so FC rose, OR
Your reagents are old/degraded. When they are old degraded, it takes more drops for the reaction to occur, OR
You *might* have a little static charge on the tip, making the drops smaller. Wipe the tip once with wet paper towel before using liquid reagent.

How have you been chlorinating so far?
Click to expand...
I just added salt after a pool company opened it from winterization. The SWG has been doing all the work. Other than the two bottles of Bioguard chlorinator and the algae prevention the pool company put in and about 40 pounds of salt which the display told me to add I haven’t done anything. Total newbie so sorry if I’m not being clear.
 
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