First time balancing!

[Texas Splash]

According to the Poolmath Calculator, 107 ounces will increase FC in a 29K gallons pool by about 3.5 ppm. To get to 13 it would take about 4.5 gallons. I don't think the calculator would be that far off. Might be good to check everything again tomorrow and compare. Don't forget to double-check the bleach percentage (weight) that you have to update manually each time.

 

[moreira85]

Will do. Yea i switched it to 8.25%. Happened last week too where i added recommended amount of bleach and had a reading of 12-13 ppm as well. Took 13 drops to make it turn clear.

 

[Richard320]

Will do. Yea i switched it to 8.25%. Happened last week too where i added recommended amount of bleach and had a reading of 12-13 ppm as well. Took 13 drops to make it turn clear.

If you're using the 10 ml sample for the FAS-DPD test, you multiply the drops by.5 to get the actual FC reading. 13 drops = 6.5 FC.

 

[moreira85]

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think i was doing it wrong!!! I am using 25 ml sample. I thought each drop was equivalent to 1ppm. According to taylor kit for 25 ml sample each drop is .2 ppm? So 13 drops is really a fc of 2.6?

 

[Richard320]

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think i was doing it wrong!!! I am using 25 ml sample. I thought each drop was equivalent to 1ppm. According to taylor kit for 25 ml sample each drop is .2 ppm? So 13 drops is really a fc of 2.6?

Yep.

Use the 10 ml sample. Then you can use only one scoop of powder and far fewer drops. It's close enough for us and it saves money.

You might want to take a look at Extended Test Kit Directions and see if there are any other shortcuts you want to try.

 

[Texas Splash]

Yeah, you were using the precise method normally noted in the K-2006 kit. Use the 10 ml sample.
10ml sample, multiply drop count by .5 (standard method) - saves on reagent a bit more.
25ml sample, multiply drop count by .2 (used for extreme precision)