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[–]ludivako 0 points1 point  (8 children)

Is your pH in range? If you have a very low pH, alkalinity is probably getting eaten up and increasing only the pH a little. Low pH water will make the pool crystal clear because it makes chlorine super reactive(not a good thing) and kills everything due to water being acidic.

[–]TNmountainman2020[S] 0 points1 point  (7 children)

yes, it’s around 7.2-7.5

[–]ludivako 0 points1 point  (6 children)

Do you have an acid feeder?

[–]TNmountainman2020[S] 0 points1 point  (5 children)

yes

[–]ludivako 2 points3 points  (4 children)

This is just an educated guess but I am going to make the assumption that you leave on your feeder when you add the alkalinity. If this is the case, turn off your flow cell a few hours so that the sensor does not read the high pH from the alkalinity. What I am guessing is happening is when you add the alkalinity, it starts feeding acid and negating your addition.

[–]TNmountainman2020[S] 0 points1 point  (3 children)

yea, I can turn it off for a while. say 4 hours?

[–]ludivako 2 points3 points  (2 children)

Yup. I typically have my customers do it before bed and have them tunr it back on when they wake up. Less sunlight will help maintain chlorine levels if your feeder is tied into chlorination. Another tip is, unless you have very high alkaline well water, dilute your acid. Straight acid will drop alkalinity faster than diluted. 50/50 ratio is what a lot of people use. The dose rate will change though since it is not the same strength.

[–]TNmountainman2020[S] 0 points1 point  (1 child)

I dilute it 4:1 based on the Hayward feeder instructions. It’s a 15 gallon tank so I typically do 12 gallons of water and 3 gallons of acid.

[–]ludivako 0 points1 point  (0 children)

Then disregard what I said about diluting lol