Thoughts on the ghl profulox 4 controller
- Thread starter Gharris527
- Start date
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esther
Valuable Member
I have the GHL controller. I’ll be completely honest with you... you need a lot of time and patience to figure everything out. It seems to be a really well made product, though. The jury is still out for me on their customer service & support. With all that said, I’ve committed to GHL as a system moving forward. I would recommend it.
Ditto
Valuable Member
Love mine 
Well built, no issues to report. Took a bit of getting use to the programming language after switching over to it, but have had no issues with mine and would not choose any other controller.
Well built, no issues to report. Took a bit of getting use to the programming language after switching over to it, but have had no issues with mine and would not choose any other controller.
OP
OP
Gharris527
Community Member
How often do u calibrate the probesLove mine
Ditto
Valuable Member
6 months, ones In the tank overflow area, 1 year on the ones in the sump. In the last 3 years I have had to replace 2 PH, 1 ORP and 1 Salinity all on in the dirtier part of my tank the overflow
KH Director 6 months also.
That across 4 tanks.
KH Director 6 months also.
That across 4 tanks.
esther
Valuable Member
6 months, ones In the tank overflow area, 1 year on the ones in the sump. In the last 3 years I have had to replace 2 PH, 1 ORP and 1 Salinity all on in the dirtier part of my tank the overflow
KH Director 6 months also.
That across 4 tanks.
Don't want to hijack this thread, but which probes do you keep in overflow and why not all in sump?
