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the blue color is very faint. It is possible that you are mistaking a very pale blue for clear. The color change will go from pinkish to purple to pale blue.
hardness test with hth kit
We have a hth 5 way kit walmart from walmart. I've tried multiple times to get the hardness test but to no avail. The reagent works turns the water red. but the tirant just sends the water clear not blue as the instructions indicate...
Can't get to pool store for testing till the weekend
advice
Di
ps tonights test results
chl 0.5 (added bleach today suffering at the minute with 100+ degree full sun!)
ph 7.5
al 130
cya 55
Pool details: 10,000 gallon inground concrete pool; Full California Sun! DE filtered
Re: hardness test with hth kit
the blue color is very faint. It is possible that you are mistaking a very pale blue for clear. The color change will go from pinkish to purple to pale blue.
Retired pool store and commercial pool maintenance guy.
Re: hardness test with hth kit
ah! thanks! I did wonder what the heck was going on!
I'll test again soon!
Di
Pool details: 10,000 gallon inground concrete pool; Full California Sun! DE filtered
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