Hi all.
I have upgraded my advanced GHL powered Reef system with the KH Director, to control my Ca Reactor.
First i must confess that... They did it again , yet another genius device, well developed and fabricated, as always. Thank you GHL.
Now, i like to ask if its expected that approx 10 cm of water remains at the end of the water sample tube, after a measurement is taken.
I have done precise calibration of dosing pump, and measurement of tube length.
The test results are spot on, no problem here
Best Regards. Tom
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