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Hi

Good morning

a question please

Carefree

the redox value is within the limit but the free chlorine level remains low

650 mv the redox value but the free chlorine is only 0.5

and we need more ....2ppm of free chlorine

If your redox probe works, it is possible because the redox probe does not measure free chlorine

The redox value is still at 650 mv?

Yes

between 600 and 650

That doesn't seem quite right

How so

Test your probe anyway https://ph-redox-pool.com/gb/content/17-is-my-redox-probe-out-of-order

What redox setpoint did you set?

the limit 650 mv

Sounds pretty decent then. And you're having trouble with your water?

there is till an adaptation between the redox and the injection of free chlorine

This can have an influence but relatively weak

If the redox is at 650 mv, you should have disinfected water

but the rate of free chlorine always remains at the value of 0.5 ppm .... and the maximum 1ppm

How do you measure free chlorine?

DPD chlorine tablets

And if you measure tap wate, do you have the same value?

But tablets don't measure!

no it gives 00ppm

the colorimetric method

what is the best way to measure free chlorine in tap water

There are special probes for that.

can you send me the brochures please

I do not sell these probes

thank you very much for your answer you are very kind

You are welcome, do not hesitate to contact us! Good evening

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