Dosing pump sanity check

[juniormc8704]

Ok, just so i can rest easy, i want to make sure i did this right.

I hooked up my dosing pumps last night, and think i have them set correctly, but want to be certain.


I need to dose 24ml per day.

I have it set to 4 ml per dose, at 1 ml rate, and 6 doses per day.

that should give me 24ml per day correct?

Also, i just opened my PH probe, and calibrated it (with GHL fluids 7 & 9) and then tested it with GHL 9ph, and it read 9.22...

Obviously, im concerned with its accuracy. Also, even subtracting .22, it is telling me i have a ph of 8.33 at night, which i would find almost impossible to be true.

Can anyone shed some light on this as well?

thanks

Junior

 

[Matthias Gross]

you should read 9.00 and not 9.22, maybe +/-0.1 max.

2 options:
- probe is slow
- calibration was not accurate enough (one reason: "signalfilter" was strong during calibraion; then adjust "weak" or use the newest firmware - it makes this adjustment automatically during calibration)

 

[AQD_ottawa]

If using the Green shafted probe then they react slower than the genuine GHL probe

That is what the difference between the lab grade GHL probes and the generic

The probes work fine just react to change slower than the GHL.