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First thing I would do is make sure your water sample is correct. Forget the calculator actually do a test on how much water is actually in tube and use a scale put that number in sample tube volume....

EHEIM automatic fish feeder is my favorite one (easy to program and it just works).

Rotary drum I think thats what Eheim does. Be nice to be able to use frozen foods maybe not possible though.

For some reason I cant set tolerance to 1; I can set it to 2,3,4 or 5. What are the tolerances mean by the way?

Im hoping that GHL comes with a feeder it's been a long time and nothing has been mentioned for awhile so maybe no longer doing it.

First thing I would check is rollers and tubes (dirty, broken, etc) next I would check the calibration of the pumps using a scale also sample water with a scale; next I would check with reference...

My tank is 60 gallons total volume about. I go through about 1ml of Alk every 3 days. The calculator says to use 4.29 ml (soda ash).

I have it scheduled 2 doses 2.2ml per dose every 3 days.
...

Any news on Feeder? heard nothing for a long time just curious. Guessing also IOND still delay due to available parts.

Ok thanks yes that was it. This was driving me nuts.

It seems if I set to 1 to 7V pump don't turn on till 30%.

not sure what to set this to.

according to this thread:
https://www.reef2reef.com/threads/max-and-min-voltages-for-tunze-6105-pumps.736396/

should be set 0 min and max 6.5v since I have new controller with min of 20% am I...

controller is 7090.500 so should the voltage be 1 min and max 8 or?

It seems the flow is too strong.. not sure what it is a good flow for Xenia; Duncan and hammer corals.

I need some help setting this up on the profilux. It seems whatever setting I use seems too fast and never changes. Not sure what I am doing wrong but flow seems too fast.

If the bottle is full will KH Director stop testing or is it just an alarm? I am curious since I dont want it full and still test.

I have PH 7 and 10. Can this be used instead? Or 9 is needed?

Is there away to name the program logic? How do you remember what it's for?

I am getting an error different time zones.

I live in New York area as UTC is -5 and for Daylight savings time is UTC -4.

Which should I use?

How long before it goes away?

I am using NTP...

I am wondering if Phosphate will ever be added to ION Director that is why I am waiting also the fish feeder as well. Is this something that may be added?

Yes need to fix the programming gates to make perhaps a name for the gate. Status lights would be nice

I am sure people asked for this but GHL needs one as soon as possible. I heard rumors working on one but that was like 2 years ago.

Vinny the sample tube volume for the KHD is how much water is being held in the line correct? I think it's wrong. When I take all the fluid out I measuring 34ML and that is with all the water out of...

I am guessing remove the 4 screws that hold the PH Probe measurement cell. is that torx screws? If so what size? Thanks

@vinny the Probe now leaks. Its a drip seems like PH probe is loose is that supposed to be like that? I am guessing this is why I had to bring it in for service.

I think missing the oring. What...

Ok, I connected the STDL4-4 and lights on for S1, S2 and S3 but S4 not lit. I also dont see it in the Profilux. What am I doing wrong?