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changed reagent. No change in result.

What else could this be?

Update:

So this morning I did the following.

Changed internal pump tubes, rollers and housing on all pumps.

Calibrated all pumps.

Checked calibration.

Opened up and checked electrode/probe - nothing wrong.

Re-calibrated sample pump again and got a totally different value than before. Earlier 36 ml now 38 ml.

I'm a little lost on what to do next.

I have multiple machines for measuring KH in my system and KHD is one of them. I also do some manual tests and I always "secure" the different options with...

Thank you for this but I've already read this many many times and I think Im doing it as instructed but still cant get it to work :(

I'll give it another try tomorrow. Was mostely interested in...

I've tried ALOT.. but cant figure out how to add my Tapo's (6 units) camera to my GHL connect app.

Tried to rtps and open ports etc etc..

Does anyone have a manual or knowledge on how to do...

Do I need a specific cable/driver?

It's USB-A to USB-A?

Reason I ask is GCC crashes when I try to connect.

How do I reverse my doser 2.1 from slave mode to master mode when the assigned profilux 3.1T eX is no more available?

Best regards

Andre

Nobody knows what would happen if the vent hose was submerged?

Will it siphon water back to the aquarium?

I know this.. I was not intentional.

It had fallen down somehow. I have the waste and ventilation hose placed up on a grid over the drain. When I looked today it had found it's way into one of...

Hello again.

I checked the test log and it seems like this have been a problem the last three tests. My sample volume is set to 100 ml.

If this means that around 400 ml drain water have been...

Sorry for bad english / explanation.

I ment the tube going from the back. What would happen if that was beneath the water line?

I think that the hose from the back may have fallen down into...

Hello.

When I checked my KHD today I noticed some odd measurements and went to check on the machine.

All hoses where filled with water and I couldnt empty them. Found out that the waste hose...

Yes that would be the next step.

But it's really weird that the volume in the tube are 46 and the doser doesnt fill it entirely even when calibration are the same.

I use a graduated test tube...

Adding info.

When calculating the entire sample hose volum I get 46 ml - this is done by filling the entire line and dosing it into a measuring cup.

When the line is emtpy I type in 46 ml...

Trying to setup a brand new KHD with doser 2.1 SA and connect to a Profilux 4. Everything is connected and setup as instructed in manual, doser set as slave of course, and setup mechanically....

The PAB alarm went off when I was on vacation. A dose maxi had been drowned due to leakage.

I've physical removed the device from the chain of connected devices but that does not remove/reset the...

I have some problems with my GCC.

I use 7 different dose channels (doser 2 and 2.1) to dose into my aquarium. They are alla connected via PAB-Profilux.

My problem is that when I am in GCC the...

Hello everyone.

I jump right in.

I have a maxi doser that feeds my nitrate reactors (2 filters) with water. As for now I use the switch settings so that each motor starts and stops after a...