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CLO2 Test Strips vs Photometrer
- dlipter
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Which brings me to the question of CLO2 measurment..
Being a numbers type of person, the Hanna Instruments HI 96738 CLO2 Photometer comes to mind.as an alternative to the more commonly used test strips.
Those of you that have experience using both test methods, could you say a few words to help me determine if the extra $$$ spent on a photometer is justified.
P.S. Is the Hanna photometer recommended, or is there another brand that is better for our needs?
Thanks,
Dennis
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This is the company where I got my photometer. You would need a photometer and a set of two reagents, Part No. 486633.
If you want to make high resolution CLO2 measurements, LaMotte test strips probably won't work. That is why I use a photometer when running various tests. If you just want to measure to see if your CDS is about 3000 ppm, then test strips are probably okay.
- JimH1954
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Just the opposite of your diagram.
Would the reaction time for 3,000 ppm CDS still be 3 hours?
TIA,
Jim in Calgary
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This small container produced 50ml of 3000ppm CDS in two hours at 62% efficiency. That is enough CDS for one day for most people. If used up in one day, it would not need to kept in a fridge. If you look closely, you will see a white silicone plug inserted into a hole drilled in the glass lid so CDS can be taken out of the container without losing CLO2 gas. Once CDS is made, the lid does not need to be removed. You could use a syringe and needle to take out all the CDS and transfer it to a small-mouth bottle if desired.
The glass reactor container is supported above the CDS water by glass marbles.
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- dlipter
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I'm thinking the larger surface area of the bigger side would allow for a more efficient CLO2 absorption into the water.
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