Hi all, first post and hoping you can really help me.
I have a Hurlcon RC8 unit with an Astral ORP chlorine sensor.
Lately my chlorine levels have been really high with out actually changing any settings. The tests every week for the last 4 weeks have been above 9.0 free and combined.
The ORP set point is set at 650 and has been set at this for as long as I can remember which makes me wonder if the sensor is faulty.
All other test levels are within the acceptable range except stabiliser which is low and needs topping up every week.
Any advice would be much appreciated.