So we just filled a new above the ground pool - 17000 liters. We started by adding alkalinity booster. My husband misread the quantities and added 4 kgs instead of 3 kgs. So that caused alkalinity and PH to be too high (PH was 8.1 and alkalinity 200). We added some PH decreaser as per instructions from the pool shop (500 gr). This seemed to bring PH within the normal level (7.2). The we added 1 liter of liquid chlorine. Around 3-4 hours after doing this the TC seems to be too high and FC too low. TC is 10 and FC is 1. What's could be causing TC to be so high in a new pool? Or do I need to wait 24 hours after shocking to retest?
New pool - Getting the chemicals right
- Thread starter Tui911
- Start date
This is the thing. I have testing strips and then use an App to scan this and it spits out results. But I'm not sure how accurate this is as when I took a sample to a pool shop they had different results.
Swimming Pool Test Kits Compared
What pool test kit should I buy? Why not use test strips? Our recommended test kits will pay for themselves in no time!
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Pool Test Kits - Further Reading
www.troublefreepool.com
Hey there! There are some experts who will be able to help you, but you're really going to need a competent test kit, not the guess strips. Clear Choice Labs ships to NZ and their "Total Pool Water Testing Kit" is analogous to the TF-100/TF-Pro/K-2006C used here in North America.
In the meantime until someone else chimes in, I would take the time to read through the Pool School articles to better grasp what all the various indications mean and how they tie together. Total Chlorine is the Free Chlorine + Combined Chlorine; I wouldn't think there should really be any combined chlorine in a brand new fill - but this is why we don't trust the guess strips.
In the meantime until someone else chimes in, I would take the time to read through the Pool School articles to better grasp what all the various indications mean and how they tie together. Total Chlorine is the Free Chlorine + Combined Chlorine; I wouldn't think there should really be any combined chlorine in a brand new fill - but this is why we don't trust the guess strips.